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  •   Water Group Exospheres and Surface Interactions on the Moon, Mercury, and Ceres
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-09-01
    Schörghofer, Norbert, Benna, Mehdi, Berezhnoy, Alexey A., Greenhagen, Benjamin, Jones, Brant M., Li, Shuai, Orlando, Thomas M., Prem, Parvathy, Tucker, Orenthal J., Wöhler, Christian

    Water ice, abundant in the outer solar system, is volatile in the inner solar system. On the largest airless bodies of the inner solar system (Mercury, the Moon, Ceres), water can be an exospheric species but also occurs in its condensed form. Mercury hosts water ice deposits in permanently shadowed regions near its poles that act as cold traps. Water ice is also present on the Moon, where these polar

  •   Kink Oscillations of Coronal Loops
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-08-30
    Nakariakov, V. M., Anfinogentov, S. A., Antolin, P., Jain, R., Kolotkov, D. Y., Kupriyanova, E. G., Li, D., Magyar, N., Nisticò, G., Pascoe, D. J., Srivastava, A. K., Terradas, J., Vasheghani Farahani, S., Verth, G., Yuan, D., Zimovets, I. V.

    Kink oscillations of coronal loops, i.e., standing kink waves, is one of the most studied dynamic phenomena in the solar corona. The oscillations are excited by impulsive energy releases, such as low coronal eruptions. Typical periods of the oscillations are from a few to several minutes, and are found to increase linearly with the increase in the major radius of the oscillating loops. It clearly demonstrates

  •   Sixty Years of Element Abundance Measurements in Solar Energetic Particles
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-08-18
    Reames, Donald V.

    Sixty years ago the first observation was published showing solar energetic particles (SEPs) with a sampling of chemical elements with atomic numbers \(6 \leq Z \leq 18\) above 40 MeV amu−1. Thus began study of the direct products of dynamic physics in the solar corona. As we have progressed from 4-min sounding-rocket samples to continuous satellite coverage of SEP events, we have extended the observations

  •   Detection Capability Verification and Performance Test for the High Resolution Imaging Camera of China’s Tianwen-1 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-08-16
    Yan, Wei, Liu, Jianjun, Ren, Xin, Li, Chunlai, Fu, Qiang, Wang, Dong, Dong, Jihong, Zhang, Xiaoxia, Chen, Wangli, Tan, Xu, Huang, Hai, Cao, Zhirui, Yan, Dejie, Ji, Qi, Wu, Fanlu

    High-resolution optical cameras have always been important scientific payloads in Mars exploration missions, which can obtain detailed images of Martian surface for the study of geomorphology, topography and geological structure. At present, there are still many challenges for Mars high-resolution images in terms of global coverage, stereo coverage (especially for colour images), and data processing

  •   Pre-flight Calibration and Near-Earth Commissioning Results of the Mercury Plasma Particle Experiment (MPPE) Onboard MMO (Mio)
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-29
    Saito, Yoshifumi, Delcourt, Dominique, Hirahara, Masafumi, Barabash, Stas, André, Nicolas, Takashima, Takeshi, Asamura, Kazushi, Yokota, Shoichiro, Wieser, Martin, Nishino, Masaki N., Oka, Mitsuo, Futaana, Yoshifumi, Harada, Yuki, Sauvaud, Jean-André, Louarn, Philippe, Lavraud, Benoit, Génot, Vincent, Mazelle, Christian, Dandouras, Iannis, Jacquey, Christian, Aoustin, Claude, Barthe, Alain, Cadu, Alexandre

    BepiColombo Mio (previously called MMO: Mercury Magnetospheric Orbiter) was successfully launched by Ariane 5 from Kourou, French Guiana on October 20, 2018. The Mercury Plasma/Particle Experiment (MPPE) is a comprehensive instrument package onboard Mio spacecraft used for plasma, high-energy particle and energetic neutral atom measurements. It consists of seven sensors including two Mercury Electron

  •   The Relativistic Electron-Proton Telescope (REPT) Investigation: Design, Operational Properties, and Science Highlights
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-27
    Daniel N. Baker, Shrikanth G. Kanekal, Vaughn Hoxie, Xinlin Li, Allison N. Jaynes, Hong Zhao, Scot R. Elkington, John C. Foster, Richard Selesnick, Binbin Ni, Harlan Spence, Rachel Filwett

    The Relativistic Electron-Proton Telescope (REPT) instruments were designed to measure ∼2 to >18 MeV electrons and ∼18 to > 115 MeV protons as part of the science payloads onboard the dual Radiation Belt Storm Probes (RBSP) spacecraft. The REPT instruments were turned on and configured in their science acquisition modes about 2 days after the RBSP launch on 30 August 2012. The REPT-A and REPT-B instruments

  •   Design and Validation of the Scientific Data Products for China’s Tianwen-1 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-27
    Xu Tan, Jianjun Liu, Xiaoxia Zhang, Wei Yan, Wangli Chen, Xin Ren, Wei Zuo, Chunlai Li

    The Tianwen-1 mission is China’s first Mars exploration mission. To complete the scientific objectives of “orbiting, landing, and patrolling” in one mission, thirteen instruments for acquiring multi-disciplinary data are configured. The data products with rich ancillary data and flexible structures will facilitate the data application. To integrate the requirements of experts from disparate disciplines

  •   The Mercury Gamma-Ray and Neutron Spectrometer (MGNS) Onboard the Mercury Planetary Orbiter of the BepiColombo Mission: Design Updates and First Measurements in Space
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-21
    I. G. Mitrofanov, A. S. Kozyrev, D. I. Lisov, M. L. Litvak, A. A. Malakhov, M. I. Mokrousov, J. Benkhoff, A. Owens, R. Schulz, F. Quarati

    An updated set of goals and objectives for the Mercury Gamma and Neutron Spectrometer (MGNS) are presented based on the most recent findings of the MESSENGER mission. The updated design of MGNS with the new CeBr3 crystal for detection of gamma-ray along with its benefits for the detection of 40K and K/Th ratio are discussed. MGNS will then be capable of measuring the elemental composition of shallow

  •   Quasi-Periodic Pulsations in Solar and Stellar Flares: A Review of Underpinning Physical Mechanisms and Their Predicted Observational Signatures
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-19
    I. V. Zimovets, J. A. McLaughlin, A. K. Srivastava, D. Y. Kolotkov, A. A. Kuznetsov, E. G. Kupriyanova, I.-H. Cho, A. R. Inglis, F. Reale, D. J. Pascoe, H. Tian, D. Yuan, D. Li, Q. M. Zhang

    The phenomenon of quasi-periodic pulsations (QPPs) in solar and stellar flares has been known for over 50 years and significant progress has been made in this research area. It has become clear that QPPs are not rare—they are found in many flares and, therefore, robust flare models should reproduce their properties in a natural way. At least fifteen mechanisms/models have been developed to explain

  •   Towards Precision Measurements of Accreting Black Holes Using X-Ray Reflection Spectroscopy
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-19
    Cosimo Bambi, Laura W. Brenneman, Thomas Dauser, Javier A. García, Victoria Grinberg, Adam Ingram, Jiachen Jiang, Honghui Liu, Anne M. Lohfink, Andrea Marinucci, Guglielmo Mastroserio, Riccardo Middei, Sourabh Nampalliwar, Andrzej Niedźwiecki, James F. Steiner, Ashutosh Tripathi, Andrzej A. Zdziarski

    Relativistic reflection features are commonly observed in the X-ray spectra of accreting black holes. In the presence of high quality data and with the correct astrophysical model, X-ray reflection spectroscopy can be quite a powerful tool to probe the strong gravity region, study the morphology of the accreting matter, measure black hole spins, and possibly test Einstein’s theory of general relativity

  •   The MarSCoDe Instrument Suite on the Mars Rover of China’s Tianwen-1 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-09
    Weiming Xu, Xiangfeng Liu, Zhixin Yan, Luning Li, Zhenqiang Zhang, Yaowu Kuang, Hao Jiang, Hongxuan Yu, Fan Yang, Chongfei Liu, Tingting Wang, Changkun Li, Yanfei Jin, Jiayi Shen, Botao Wang, Wenzhi Wan, Jun Chen, Shenghao Ni, Yunpeng Ruan, Rui Xu, Changxing Zhang, Ziyong Yuan, Xiong Wan, Yichao Yang, Zhaohui Li, Yuanting Shen, Dingzhen Liu, Binyong Wang, Rujun Yuan, Tao Bao, Rong Shu

    Mars Surface Composition Detector (MarSCoDe) is a scientific payload onboard the Mars rover of China’s Tianwen-1 mission. With the capability of 1.6∼7 m remote detection and analysis, MarSCoDe instrument suite consists of a two dimensional pointing mirror and an optical head outside the rover cabin, a Laser Induced Breakdown Spectroscopy (LIBS) spectrometer and a Short Wave Infrared (SWIR) spectrometer

  •   Reverberation in Tidal Disruption Events: Dust Echoes, Coronal Emission Lines, Multi-wavelength Cross-correlations, and QPOs
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-07-01
    Sjoert van Velzen, Dheeraj R. Pasham, Stefanie Komossa, Lin Yan, Erin A. Kara

    Stellar tidal disruption events (TDEs) are typically discovered by transient emission due to accretion or shocks of the stellar debris. Yet this luminous flare can be reprocessed by gas or dust that inhabits a galactic nucleus, resulting in multiple reverberation signals. Nuclear dust heated by the TDE will lead to an echo at infrared wavelengths (1-10 μm) and transient coronal lines in optical spectra

  •   Volatiles and Refractories in Surface-Bounded Exospheres in the Inner Solar System
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-06-16
    Cesare Grava, Rosemary M. Killen, Mehdi Benna, Alexey A. Berezhnoy, Jasper S. Halekas, François Leblanc, Masaki N. Nishino, Christina Plainaki, Jim M. Raines, Menelaos Sarantos, Benjamin D. Teolis, Orenthal J. Tucker, Ronald J. Vervack, Audrey Vorburger

    Volatiles and refractories represent the two end-members in the volatility range of species in any surface-bounded exosphere. Volatiles include elements that do not interact strongly with the surface, such as neon (detected on the Moon) and helium (detected both on the Moon and at Mercury), but also argon, a noble gas (detected on the Moon) that surprisingly adsorbs at the cold lunar nighttime surface

  •   On the Relationship Between Shear Alfvén Waves, Auroral Electron Acceleration, and Field Line Resonances
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-06-14
    R. Rankin, D. M. Gillies, A. W. Degeling

    This article describes the relationship between shear Alfvén waves and auroral electron acceleration, with an emphasis on long-period standing waves that correlate with redline auroral arcs in the Earth’s magnetosphere. Discrete auroral arcs were correlated with high-latitude field line resonances in the early 1990’s. The past decade has seen advances in all-sky camera technology improve the detection

  •   China’s Mars Exploration Mission and Science Investigation
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-05-25
    Chunlai Li, Rongqiao Zhang, Dengyun Yu, Guangliang Dong, Jianjun Liu, Yan Geng, Zezhou Sun, Wei Yan, Xin Ren, Yan Su, Wei Zuo, Tielong Zhang, Jinbin Cao, Guangyou Fang, Jianfeng Yang, Rong Shu, Yangting Lin, Yongliao Zou, Dawei Liu, Bin Liu, Deqing Kong, Xinying Zhu, Ziyuan Ouyang

    China’s first Mars exploration mission (HuoXing-1) has been named as ‘Tianwen-1’ meaning Heaven Inquiry. Tianwen-1 was launched on July 23, 2020. In this paper, the scientific objectives of earlier and current Mars exploration missions worldwide are reviewed, and the scientific objectives, payloads and preliminary scientific investigation plan of China’s first Mars exploration mission are introduced

  •   Perseverance’s Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) Investigation
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-05-25
    Rohit Bhartia, Luther W. Beegle, Lauren DeFlores, William Abbey, Joseph Razzell Hollis, Kyle Uckert, Brian Monacelli, Kenneth S. Edgett, Megan R. Kennedy, Margarite Sylvia, David Aldrich, Mark Anderson, Sanford A. Asher, Zachary Bailey, Kerry Boyd, Aaron S. Burton, Michael Caffrey, Michael J. Calaway, Robert Calvet, Bruce Cameron, Michael A. Caplinger, Brandi L. Carrier, Nataly Chen, Amy Chen, Matthew

    The Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) is a robotic arm-mounted instrument on NASA’s Perseverance rover. SHERLOC has two primary boresights. The Spectroscopy boresight generates spatially resolved chemical maps using fluorescence and Raman spectroscopy coupled to microscopic images (10.1 μm/pixel). The second boresight is a Wide Angle Topographic

  •   The Ingenuity Helicopter on the Perseverance Rover
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-05-25
    J. Balaram, MiMi Aung, Matthew P. Golombek

    The Ingenuity Helicopter will be deployed from the Perseverance Rover for a 30-sol experimental campaign shortly after the rover lands and is commissioned. We describe the helicopter and the associated Technology Demonstration experiment it will conduct, as well as its role in informing future helicopter missions to Mars. This helicopter will demonstrate, for the first time, autonomous controlled flight

  •   Distinguishing Tidal Disruption Events from Impostors
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-05-05
    Ann Zabludoff, Iair Arcavi, Stephanie La Massa, Hagai B. Perets, Benny Trakhtenbrot, B. Ashley Zauderer, Katie Auchettl, Jane L. Dai, K. Decker French, Tiara Hung, Erin Kara, Giuseppe Lodato, W. Peter Maksym, Yujing Qin, Enrico Ramirez-Ruiz, Nathaniel Roth, Jessie C. Runnoe, Thomas Wevers

    Recent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the evolution and properties of otherwise dormant supermassive black holes (SMBHs) in the centres of galaxies. At present, there are several dozen TDE candidates, which share some properties and differ in others. The range in properties is broad enough to overlap other transient

  •   Correction to: Small-Scale Dynamic Aurora
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-26
    Ryuho Kataoka, Christopher C. Chaston, David Knudsen, Kristina A. Lynch, Robert L. Lysak, Yan Song, Robert Rankin, Kiyoka Murase, Takeshi Sakanoi, Joshua Semeter, Tomo-Hiko Watanabe, Daniel Whiter

    A Correction to this paper has been published: https://doi.org/10.1007/s11214-021-00821-y

  •   The BepiColombo Planetary Magnetometer MPO-MAG: What Can We Learn from the Hermean Magnetic Field?
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-21
    D. Heyner, H.-U. Auster, K.-H. Fornaçon, C. Carr, I. Richter, J. Z. D. Mieth, P. Kolhey, W. Exner, U. Motschmann, W. Baumjohann, A. Matsuoka, W. Magnes, G. Berghofer, D. Fischer, F. Plaschke, R. Nakamura, Y. Narita, M. Delva, M. Volwerk, A. Balogh, M. Dougherty, T. Horbury, B. Langlais, M. Mandea, A. Masters, J. S. Oliveira, B. Sánchez-Cano, J. A. Slavin, S. Vennerstrøm, J. Vogt, J. Wicht, K.-H. Glassmeier

    The magnetometer instrument MPO-MAG on-board the Mercury Planetary Orbiter (MPO) of the BepiColombo mission en-route to Mercury is introduced, with its instrument design, its calibration and scientific targets. The instrument is comprised of two tri-axial fluxgate magnetometers mounted on a 2.9 m boom and are 0.8 m apart. They monitor the magnetic field with up to 128 Hz in a \(\pm 2048\) nT range

  •   Meteoroids as One of the Sources for Exosphere Formation on Airless Bodies in the Inner Solar System
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-19
    Diego Janches, Alexey A. Berezhnoy, Apostolos A. Christou, Gabriele Cremonese, Takayuki Hirai, Mihály Horányi, Jamie M. Jasinski, Menelaos Sarantos

    This manuscript represents a review on progress made over the past decade concerning our understanding of meteoroid bombardment on airless solar system bodies as one of the sources of the formation of their exospheres. Specifically, observations at Mercury by MESSENGER and at the Moon by LADEE, together with progress made in dynamical models of the meteoroid environment in the inner solar system, offer

  •   The Mars Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for the Mars 2020 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-13
    J. A. Rodriguez-Manfredi, M. de la Torre Juárez, A. Alonso, V. Apéstigue, I. Arruego, T. Atienza, D. Banfield, J. Boland, M. A. Carrera, L. Castañer, J. Ceballos, H. Chen-Chen, A. Cobos, P. G. Conrad, E. Cordoba, T. del Río-Gaztelurrutia, A. de Vicente-Retortillo, M. Domínguez-Pumar, S. Espejo, A. G. Fairen, A. Fernández-Palma, R. Ferrándiz, F. Ferri, E. Fischer, A. García-Manchado, M. García-Villadangos

    NASA’s Mars 2020 (M2020) rover mission includes a suite of sensors to monitor current environmental conditions near the surface of Mars and to constrain bulk aerosol properties from changes in atmospheric radiation at the surface. The Mars Environmental Dynamics Analyzer (MEDA) consists of a set of meteorological sensors including wind sensor, a barometer, a relative humidity sensor, a set of 5 thermocouples

  •   The SuperCam Instrument Suite on the Mars 2020 Rover: Science Objectives and Mast-Unit Description
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-12
    S. Maurice, R. C. Wiens, P. Bernardi, P. Caïs, S. Robinson, T. Nelson, O. Gasnault, J.-M. Reess, M. Deleuze, F. Rull, J.-A. Manrique, S. Abbaki, R. B. Anderson, Y. André, S. M. Angel, G. Arana, T. Battault, P. Beck, K. Benzerara, S. Bernard, J.-P. Berthias, O. Beyssac, M. Bonafous, B. Bousquet, M. Boutillier, A. Cadu, K. Castro, F. Chapron, B. Chide, K. Clark, E. Clavé, S. Clegg, E. Cloutis, C. Collin

    On the NASA 2020 rover mission to Jezero crater, the remote determination of the texture, mineralogy and chemistry of rocks is essential to quickly and thoroughly characterize an area and to optimize the selection of samples for return to Earth. As part of the Perseverance payload, SuperCam is a suite of five techniques that provide critical and complementary observations via Laser-Induced Breakdown

  •   Correction to: Radiometric Calibration Targets for the Mastcam-Z Camera on the Mars 2020 Rover Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-07
    K. M. Kinch, M. B. Madsen, J. F. Bell, J. N. Maki, Z. J. Bailey, A. G. Hayes, O. B. Jensen, M. Merusi, M. H. Bernt, A. N. Sørensen, M. Hilverda, E. Cloutis, D. Applin, E. Mateo-Marti, J. A. Manrique, G. Lopez-Reyes, A. Bello-Arufe, B. L. Ehlmann, J. Buz, A. Pommerol, N. Thomas, L. Affolter, K. E. Herkenhoff, J. R. Johnson, M. Rice, P. Corlies, C. Tate, M. A. Caplinger, E. Jensen, T. Kubacki, E. Cisneros

    A Correction to this paper has been published: https://doi.org/10.1007/s11214-021-00828-5

  •   Earth’s Nitrogen and Carbon Cycles
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-02
    Ralf Halama, Gray Bebout

    Understanding the Earth’s geological nitrogen (N) and carbon (C) cycles is fundamental for assessing the distribution of these volatiles between solid Earth (core, mantle and crust), oceans and atmosphere. This Special Communication about the Earth’s N and C cycles contains material that is relevant for researchers who are interested in the Topical Collection on planetary evolution “Reading Terrestrial

  •   Relative Atomic Solar System Abundances, Mass Fractions, and Atomic Masses of the Elements and Their Isotopes, Composition of the Solar Photosphere, and Compositions of the Major Chondritic Meteorite Groups
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-04-01
    Katharina Lodders

    This brief special communications article gives data for atomic abundances and mass fractions for the elemental and isotopic solar system composition, the atomic masses of the elements and their isotopes, the composition of the solar photosphere, and the compositions of the major chondritic meteorite groups. This additional material is relevant for researchers who are interested in this Topical Collection

  •   The Diversity of Planetary Atmospheric Chemistry
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-30
    Franklin P. Mills, Julianne I. Moses, Peter Gao, Shang-Min Tsai

    Atmospheres in our solar system range from oxidizing to reducing, transient to dense, veiled by clouds and hazes to transparent. Observations already suggest that exoplanets exhibit an even more diverse range of atmospheric chemistry and composition. Nevertheless, there are commonalities across the atmospheres of our solar system that provide valuable guidance and lessons for observing and interpreting

  •   High Resolution Imaging Camera (HiRIC) on China’s First Mars Exploration Tianwen-1 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-29
    Qingyu Meng, Dong Wang, Xiaodong Wang, Wei Li, Xianwei Yang, Dejie Yan, Yang Li, Zhirui Cao, Qi Ji, Tianyu Sun, Wei Yan, Kejun Wang, Xiaobo Li, Jingtao Huang, Zheng Wang, Weiguo Zhao, Yan Wang, Yunfeng He, Xianpeng Hao, Wenguang Liu, Bowei Zhang, Pengji Zhou, Yunhui Li, Haibo Zhao, Lin Lu, Hainan Guan, Dali Zhou, Fanlu Wu, Fan Zhang, Shiyu Zhu, Jihong Dong

    The High-Resolution Imaging Camera (HiRIC) is one major payload of China’s first Mars exploration mission, and its main objective is to obtain the detailed observation images of the key areas on the Martian surface. In this paper, the leading group of HiRIC shows a full blueprint of the HiRIC. The HiRIC can achieve a high resolution (0.5 m at an altitude of 265 km) with a wide swath width of 9 km.

  •   The Location of Magnetic Reconnection at Earth’s Magnetopause
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-29
    K. J. Trattner, S. M. Petrinec, S. A. Fuselier

    One of the major questions about magnetic reconnection is how specific solar wind and interplanetary magnetic field conditions influence where reconnection occurs at the Earth’s magnetopause. There are two reconnection scenarios discussed in the literature: a) anti-parallel reconnection and b) component reconnection. Early spacecraft observations were limited to the detection of accelerated ion beams

  •   The Process of Stellar Tidal Disruption by Supermassive Black Holes
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-25
    E. M. Rossi, N. C. Stone, J. A. P. Law-Smith, M. Macleod, G. Lodato, J. L. Dai, I. Mandel

    Tidal disruption events (TDEs) are among the brightest transients in the optical, ultraviolet, and X-ray sky. These flares are set into motion when a star is torn apart by the tidal field of a massive black hole, triggering a chain of events which is – so far – incompletely understood. However, the disruption process has been studied extensively for almost half a century, and unlike the later stages

  •   Current Sheets, Plasmoids and Flux Ropes in the Heliosphere
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-23
    O. Pezzi, F. Pecora, J. le Roux, N. E. Engelbrecht, A. Greco, S. Servidio, H. V. Malova, O. V. Khabarova, O. Malandraki, R. Bruno, W. H. Matthaeus, G. Li, L. M. Zelenyi, R. A. Kislov, V. N. Obridko, V. D. Kuznetsov

    Our understanding of processes occurring in the heliosphere historically began with reduced dimensionality - one-dimensional (1D) and two-dimensional (2D) sketches and models, which aimed to illustrate views on large-scale structures in the solar wind. However, any reduced dimensionality vision of the heliosphere limits the possible interpretations of in-situ observations. Accounting for non-planar

  •   Current Sheets, Plasmoids and Flux Ropes in the Heliosphere
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-23
    O. Khabarova, O. Malandraki, H. Malova, R. Kislov, A. Greco, R. Bruno, O. Pezzi, S. Servidio, Gang Li, W. Matthaeus, J. Le Roux, N. E. Engelbrecht, F. Pecora, L. Zelenyi, V. Obridko, V. Kuznetsov

    Recent accumulation of a critical mass of observational material from different spacecraft complete with the enhanced abilities of numerical methods have led to a boom of studies revealing the high complexity of processes occurring in the heliosphere. Views on the solar wind filling the interplanetary medium have dramatically developed from the beginning of the space era. A 2-D picture of the freely

  •   The Navigation and Terrain Cameras on the Tianwen-1 Mars Rover
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-17
    Xiao Liang, Wangli Chen, Zhongxiang Cao, Fenzhi Wu, Weizheng Lyu, Yuzhi Song, Danfeng Li, Chengwu Yu, Lin Zhang, Li Wang

    The Navigation and Terrain Cameras (NaTeCams) are binocular stereo cameras mounted on the Tianwen-1 Mars Rover. The NaTeCams are primarily designed to provide support for the guidance, navigation, and control of the rover, and they can also be used for scientific observations. NaTeCam is a color imaging system using a complementary metal oxide semiconductor (CMOS) active pixel sensor (APS). An overview

  •   Do Intrinsic Magnetic Fields Protect Planetary Atmospheres from Stellar Winds?
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-09
    Robin Ramstad, Stas Barabash

    The accumulation of detailed ion flux measurements from long-lived spacecraft orbiting the solar system’s terrestrial planets have enabled recent studies to estimate the rate of solar wind driven atmospheric ion escape from Venus, Earth, and Mars, as well as the influence of solar wind and solar extreme ultraviolet (EUV) ionizing radiation on the atmospheric ion escape rates. Here, we introduce the

  •   Slow-Mode Magnetoacoustic Waves in Coronal Loops
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-08
    Tongjiang Wang, Leon Ofman, Ding Yuan, Fabio Reale, Dmitrii Y. Kolotkov, Abhishek K. Srivastava

    Rapidly decaying long-period oscillations often occur in hot coronal loops of active regions associated with small (or micro-) flares. This kind of wave activity was first discovered with the SOHO/SUMER spectrometer from Doppler velocity measurements of hot emission lines, thus also often called “SUMER” oscillations. They were mainly interpreted as global (or fundamental mode) standing slow magnetoacoustic

  •   Overview of the Chang’e-4 Mission: Opening the Frontier of Scientific Exploration of the Lunar Far Side
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-08
    Chunlai Li, Wei Zuo, Weibin Wen, Xingguo Zeng, Xingye Gao, Yuxuan Liu, Qiang Fu, Zhoubin Zhang, Yan Su, Xin Ren, Fang Wang, Jianjun Liu, Wei Yan, Xu Tan, Dawei Liu, Bin Liu, Hongbo Zhang, Ziyuan Ouyang

    China’s Chang’e-4 (CE-4) mission is the first human lander/rover mission on the far side of the Moon. Its probe is composed of a lander, rover, and the Queqiao relay satellite. Queqiao was successfully launched on May 21, 2018, and entered the halo orbit of the L2 point on June 14, becoming the first satellite connecting the Earth and the Moon’s far side. The lander carrying Yutu-2 was successfully

  •   Shock Induced Strong Substorms and Super Substorms: Preconditions and Associated Oxygen Ion Dynamics
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-05
    Q.-G. Zong, C. Yue, S.-Y. Fu

    It is well known that the interaction between interplanetary (IP) shocks and the Earth’s magnetosphere would generate/excite various types of geomagnetic phenomena. Progresses have been made on the Earth’s magnetospheric response to solar wind forcing in recent years in the aspects associated with magnetospheric substorms. Strong substorms and super substorms could be triggered externally by sudden

  •   BepiColombo Ground Segment and Mission Operations
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-03-01
    E. Montagnon, F. Budnik, M. Casale, S. de la Fuente, S. Martinez, G. Murakami, M. Ogawa, T. Seki, C. Steiger, M. Yamashita

    The ESA/JAXA BepiColombo mission to Mercury was launched in October 2018. It includes two scientific Mercury orbiters, flying as a single stack during the seven years interplanetary transfer, and as individual spacecraft operated by their respective space Agencies ESA and JAXA once deployed in their respective scientific orbit around Mercury. Three ground segments are closely collaborating on this

  •   Geodesy, Geophysics and Fundamental Physics Investigations of the BepiColombo Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-26
    Antonio Genova, Hauke Hussmann, Tim Van Hoolst, Daniel Heyner, Luciano Iess, Francesco Santoli, Nicolas Thomas, Paolo Cappuccio, Ivan di Stefano, Patrick Kolhey, Benoit Langlais, Johannes Z. D. Mieth, Joana S. Oliveira, Alexander Stark, Gregor Steinbrügge, Nicola Tosi, Johannes Wicht, Johannes Benkhoff

    In preparation for the ESA/JAXA BepiColombo mission to Mercury, thematic working groups had been established for coordinating the activities within the BepiColombo Science Working Team in specific fields. Here we describe the scientific goals of the Geodesy and Geophysics Working Group (GGWG) that aims at addressing fundamental questions regarding Mercury’s internal structure and evolution. This multidisciplinary

  •   Correction to: SERENA: Particle Instrument Suite for Determining the Sun-Mercury Interaction from BepiColombo
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-23
    S. Orsini, S. A. Livi, H. Lichtenegger, S. Barabash, A. Milillo, E. De Angelis, M. Phillips, G. Laky, M. Wieser, A. Olivieri, C. Plainaki, G. Ho, R. M. Killen, J. A. Slavin, P. Wurz, J.-J. Berthelier, I. Dandouras, E. Kallio, S. McKenna-Lawlor, S. Szalai, K. Torkar, O. Vaisberg, F. Allegrini, I. A. Daglis, C. Dong, C. P. Escoubet, S. Fatemi, M. Fränz, S. Ivanovski, N. Krupp, H. Lammer, François Leblanc

    A Correction to this paper has been published: https://doi.org/10.1007/s11214-021-00809-8

  •   Pre-Flight Calibration of the Mars 2020 Rover Mastcam Zoom (Mastcam-Z) Multispectral, Stereoscopic Imager
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-18
    Alexander G. Hayes, P. Corlies, C. Tate, M. Barrington, J. F. Bell, J. N. Maki, M. Caplinger, M. Ravine, K. M. Kinch, K. Herkenhoff, B. Horgan, J. Johnson, M. Lemmon, G. Paar, M. S. Rice, E. Jensen, T. M. Kubacki, E. Cloutis, R. Deen, B. L. Ehlmann, E. Lakdawalla, R. Sullivan, A. Winhold, A. Parkinson, Z. Bailey, J. van Beek, P. Caballo-Perucha, E. Cisneros, D. Dixon, C. Donaldson, O. B. Jensen, J

    The NASA Perseverance rover Mast Camera Zoom (Mastcam-Z) system is a pair of zoomable, focusable, multi-spectral, and color charge-coupled device (CCD) cameras mounted on top of a 1.7 m Remote Sensing Mast, along with associated electronics and two calibration targets. The cameras contain identical optical assemblies that can range in focal length from 26 mm (\(25.5^{\circ }\, \times 19.1^{\circ }\

  •   Correction to: PIXL: Planetary Instrument for X-Ray Lithochemistry
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-17
    Abigail C. Allwood, Lawrence A. Wade, Marc C. Foote, William Timothy Elam, Joel A. Hurowitz, Steven Battel, Douglas E. Dawson, Robert W. Denise, Eric M. Ek, Martin S. Gilbert, Matthew E. King, Carl Christian Liebe, Todd Parker, David A. K. Pedersen, David P. Randall, Robert F. Sharrow, Michael E. Sondheim, George Allen, Kenneth Arnett, Mitchell H. Au, Christophe Basset, Mathias Benn, John C. Bousman

    A Correction to this paper has been published: https://doi.org/10.1007/s11214-021-00801-2

  •   Mars Mineralogical Spectrometer (MMS) on the Tianwen-1 Mission
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-17
    Zhiping He, Rui Xu, Chunlai Li, Liyin Yuan, Chengyu Liu, Gang Lv, Jian Jin, Jianan Xie, Chuifeng Kong, Feifei Li, Xiaowen Chen, Rong Wang, Sheng Xu, Wei Pan, Jincai Wu, Changkun Li, Tianhong Wang, Haijun Jin, Hourui Chen, Jun Qiu, Jianyu Wang

    The Mars Mineralogical Spectrometer (MMS) is a hyperspectral imager onboard the Mars orbiter of Tianwen-1, China’s first Mars exploration mission. MMS consists of 4 subassemblies: an Optical Sensor Unit (OSU), an Electronics Unit (EU), a Calibration Unit (CU), and a Thermal Control Accessories (TCA). With a 0.5 mrad IFOV and a 416-sample cell array for nadir observation, MMS can map the spectral and

  •   Design and Realization of China Tianwen-1 Energetic Particle Analyzer
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-16
    Cunhui Li, Shuwen Tang, Xiangyu Hu, Yi Qian, Yi Wang, Hongyong Zhao, Qiang Fu, Zhiyu Sun, Hongqing He, Yuhong Yu, Haiyan Zhang, Fang Fang, Haijun Yu, Haibo Yang, Zhendong Zhao, Yongjie Zhang, Jing Lin, ZhiPeng Sun, Wenze Tao, Jie Kong, Ying Zhou, Hong Su, Xiaolin Yang, Juncheng Mao, Junlin Chen, Chunfang Zhao, Yali Ma

    The Mars radiation environment, both in past and at present, plays a vital role in the evolution of Martian atmosphere, so it is necessary to detect the background radiation environment both in the Martian atmosphere and the transfer orbit from Earth to Mars. The Tianwen-1 Energetic Particle Analyzer (EPA) is designed to measure and analyze the energetic charged particles emitted to the Martian atmosphere

  •   The BepiColombo Laser Altimeter
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-15
    N. Thomas, H. Hussmann, T. Spohn, L. M. Lara, U. Christensen, M. Affolter, T. Bandy, T. Beck, S. Chakraborty, U. Geissbuehler, M. Gerber, K. Ghose, J. Gouman, S. HosseiniArani, K. Kuske, A. Peteut, D. Piazza, M. Rieder, A. Servonet, C. Althaus, T. Behnke, K. Gwinner, C. Hüttig, R. Kallenbach, A. Lichopoj, K. Lingenauber, H.-G. Lötzke, F. Lüdicke, H. Michaelis, J. Oberst, R. Schrödter, A. Stark, G.

    The BepiColombo Laser Altimeter (BELA) is the first European laser altimeter constructed for interplanetary flight. BELA uses a 50 mJ pulsed Nd:YAG laser operating at 10 Hz with a 20 cm aperture receiver to perform the ranging. The instrument also uses a digital approach for range detection and pulse analysis. The ranging accuracy is expected to be better than 2 metres and ∼20 cm in optimum conditions

  •   The Mars 2020 Perseverance Rover Mast Camera Zoom (Mastcam-Z) Multispectral, Stereoscopic Imaging Investigation
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-15
    J. F. Bell, J. N. Maki, G. L. Mehall, M. A. Ravine, M. A. Caplinger, Z. J. Bailey, S. Brylow, J. A. Schaffner, K. M. Kinch, M. B. Madsen, A. Winhold, A. G. Hayes, P. Corlies, C. Tate, M. Barrington, E. Cisneros, E. Jensen, K. Paris, K. Crawford, C. Rojas, L. Mehall, J. Joseph, J. B. Proton, N. Cluff, R. G. Deen, B. Betts, E. Cloutis, A. J. Coates, A. Colaprete, K. S. Edgett, B. L. Ehlmann, S. Fagents

    Mastcam-Z is a multispectral, stereoscopic imaging investigation on the Mars 2020 mission’s Perseverance rover. Mastcam-Z consists of a pair of focusable, 4:1 zoomable cameras that provide broadband red/green/blue and narrowband 400-1000 nm color imaging with fields of view from 25.6° × 19.2° (26 mm focal length at 283 μrad/pixel) to 6.2° × 4.6° (110 mm focal length at 67.4 μrad/pixel). The cameras

  •   BepiColombo Science Investigations During Cruise and Flybys at the Earth, Venus and Mercury
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-11
    Valeria Mangano, Melinda Dósa, Markus Fränz, Anna Milillo, Joana S. Oliveira, Yeon Joo Lee, Susan McKenna-Lawlor, Davide Grassi, Daniel Heyner, Alexander S. Kozyrev, Roberto Peron, Jörn Helbert, Sebastien Besse, Sara de la Fuente, Elsa Montagnon, Joe Zender, Martin Volwerk, Jean-Yves Chaufray, James A. Slavin, Harald Krüger, Alessandro Maturilli, Thomas Cornet, Kazumasa Iwai, Yoshizumi Miyoshi, Marco

    The dual spacecraft mission BepiColombo is the first joint mission between the European Space Agency (ESA) and the Japanese Aerospace Exploration Agency (JAXA) to explore the planet Mercury. BepiColombo was launched from Kourou (French Guiana) on October 20th, 2018, in its packed configuration including two spacecraft, a transfer module, and a sunshield. BepiColombo cruise trajectory is a long journey

  •   The Diverse Planetary Ingassing/Outgassing Paths Produced over Billions of Years of Magmatic Activity
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-11
    F. Gaillard, M. A. Bouhifd, E. Füri, V. Malavergne, Y. Marrocchi, L. Noack, G. Ortenzi, M. Roskosz, S. Vulpius

    The C-H-O-N-S elements that constitute the outgassed atmosphere and exosphere have likely been delivered by chondritic materials to the Earth during planetary accretion and subsequently processed over billions of years of planetary differentiation. Although these elements are generally considered to be volatile, a large part of the accreted C-H-O-N-S on Earth must have been sequestered in the core

  •   Multi-model Meteorological and Aeolian Predictions for Mars 2020 and the Jezero Crater Region
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-08
    C. E. Newman, M. de la Torre Juárez, J. Pla-García, R. J. Wilson, S. R. Lewis, L. Neary, M. A. Kahre, F. Forget, A. Spiga, M. I. Richardson, F. Daerden, T. Bertrand, D. Viúdez-Moreiras, R. Sullivan, A. Sánchez-Lavega, B. Chide, J. A. Rodriguez-Manfredi

    Nine simulations are used to predict the meteorology and aeolian activity of the Mars 2020 landing site region. Predicted seasonal variations of pressure and surface and atmospheric temperature generally agree. Minimum and maximum pressure is predicted at \(\text{Ls}\sim 145^{\circ}\) and \(250^{\circ}\), respectively. Maximum and minimum surface and atmospheric temperature are predicted at \(\text{Ls}\sim

  •   Gravity, Geodesy and Fundamental Physics with BepiColombo’s MORE Investigation
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-08
    L. Iess, S. W. Asmar, P. Cappuccio, G. Cascioli, F. De Marchi, I. di Stefano, A. Genova, N. Ashby, J. P. Barriot, P. Bender, C. Benedetto, J. S. Border, F. Budnik, S. Ciarcia, T. Damour, V. Dehant, G. Di Achille, A. Di Ruscio, A. Fienga, R. Formaro, S. Klioner, A. Konopliv, A. Lemaître, F. Longo, M. Mercolino, G. Mitri, V. Notaro, A. Olivieri, M. Paik, A. Palli, G. Schettino, D. Serra, L. Simone, G

    The Mercury Orbiter Radio Science Experiment (MORE) of the ESA mission BepiColombo will provide an accurate estimation of Mercury’s gravity field and rotational state, improved tests of general relativity, and a novel deep space navigation system. The key experimental setup entails a highly stable, multi-frequency radio link in X and Ka band, enabling two-way range rate measurements of 3 micron/s at

  •   Correction to: X-Ray Properties of TDEs
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-02
    R. Saxton, S. Komossa, K. Auchettl, P. G. Jonker

    A Correction to this paper has been published: https://doi.org/10.1007/s11214-020-00759-7

  •   Small-Scale Dynamic Aurora
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-02-01
    Ryuho Kataoka, Chris Chaston, David Knudsen, Kristina A. Lynch, Robert L. Lysak, Yan Song, Robert Rankin, Kiyoka Murase, Takeshi Sakanoi, Joshua Semeter, Tomo-Hiko Watanabe, Daniel Whiter

    Small-scale dynamic auroras have spatial scales of a few km or less, and temporal scales of a few seconds or less, which visualize the complex interplay among charged particles, Alfvén waves, and plasma instabilities working in the magnetosphere-ionosphere coupled regions. We summarize the observed properties of flickering auroras, vortex motions, and filamentary structures. We also summarize the development

  •   Formation of an Accretion Flow
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-25
    C. Bonnerot, N. C. Stone

    After a star has been tidally disrupted by a black hole, the debris forms an elongated stream. We start by studying the evolution of this gas before its bound part returns to the original stellar pericenter. While the axial motion is entirely ballistic, the transverse directions of the stream are usually thinner due to the confining effects of self-gravity. This basic picture may also be influenced

  •   Rossby Waves in Astrophysics
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-19
    T. V. Zaqarashvili, M. Albekioni, J. L. Ballester, Y. Bekki, L. Biancofiore, A. C. Birch, M. Dikpati, L. Gizon, E. Gurgenashvili, E. Heifetz, A. F. Lanza, S. W. McIntosh, L. Ofman, R. Oliver, B. Proxauf, O. M. Umurhan, R. Yellin-Bergovoy

    Rossby waves are a pervasive feature of the large-scale motions of the Earth’s atmosphere and oceans. These waves (also known as planetary waves and r-modes) also play an important role in the large-scale dynamics of different astrophysical objects such as the solar atmosphere and interior, astrophysical discs, rapidly rotating stars, planetary and exoplanetary atmospheres. This paper provides a review

  •   Sulfur Ice Astrochemistry: A Review of Laboratory Studies
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-18
    Duncan V. Mifsud, Zuzana Kaňuchová, Péter Herczku, Sergio Ioppolo, Zoltán Juhász, Sándor T. S. Kovács, Nigel J. Mason, Robert W. McCullough, Béla Sulik

    Sulfur is the tenth most abundant element in the universe and is known to play a significant role in biological systems. Accordingly, in recent years there has been increased interest in the role of sulfur in astrochemical reactions and planetary geology and geochemistry. Among the many avenues of research currently being explored is the laboratory processing of astrophysical ice analogues. Such research

  •   Quadrupole Ion Trap Mass Spectrometer for Ice Giant Atmospheres Exploration
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-18
    J. Simcic, D. Nikolić, A. Belousov, D. Atkinson, C. Lee, S. Madzunkov, D. Almodiel

    To date, a variety of different types of mass spectrometers have been utilized on missions to study the composition of atmospheres of solar system bodies, including Venus, Mars, Jupiter, Titan, the moon, and several comets. With the increasing interest in future small probe missions, mass spectrometers need to become even more versatile, lightweight, compact, and sensitive. For in situ exploration

  •   SERENA: Particle Instrument Suite for Determining the Sun-Mercury Interaction from BepiColombo
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-12
    S. Orsini, S. A. Livi, H. Lichtenegger, S. Barabash, A. Milillo, E. De Angelis, M. Phillips, G. Laky, M. Wieser, A. Olivieri, C. Plainaki, G. Ho, R. M. Killen, J. A. Slavin, P. Wurz, J.-J. Berthelier, I. Dandouras, E. Kallio, S. McKenna-Lawlor, S. Szalai, K. Torkar, O. Vaisberg, F. Allegrini, I. A. Daglis, C. Dong, C. P. Escoubet, S. Fatemi, M. Fränz, S. Ivanovski, N. Krupp, H. Lammer, François Leblanc

    The ESA-JAXA BepiColombo mission to Mercury will provide simultaneous measurements from two spacecraft, offering an unprecedented opportunity to investigate magnetospheric and exospheric particle dynamics at Mercury as well as their interactions with solar wind, solar radiation, and interplanetary dust. The particle instrument suite SERENA (Search for Exospheric Refilling and Emitted Natural Abundances)

  •   The Physics of Accretion Discs, Winds and Jets in Tidal Disruption Events
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-12
    Jane Lixin Dai, Giuseppe Lodato, Roseanne Cheng

    Accretion onto black holes is an efficient mechanism in converting the gas mass-energy into energetic outputs as radiation, wind and jet. Tidal disruption events, in which stars are tidally torn apart and then accreted onto supermassive black holes, offer unique opportunities of studying the accretion physics as well as the wind and jet launching physics across different accretion regimes. In this

  •   Mars Oxygen ISRU Experiment (MOXIE)
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-06
    M. Hecht, J. Hoffman, D. Rapp, J. McClean, J. SooHoo, R. Schaefer, A. Aboobaker, J. Mellstrom, J. Hartvigsen, F. Meyen, E. Hinterman, G. Voecks, A. Liu, M. Nasr, J. Lewis, J. Johnson, C. Guernsey, J. Swoboda, C. Eckert, C. Alcalde, M. Poirier, P. Khopkar, S. Elangovan, M. Madsen, P. Smith, C. Graves, G. Sanders, K. Araghi, M. de la Torre Juarez, D. Larsen, J. Agui, A. Burns, K. Lackner, R. Nielsen

    MOXIE is a technology demonstration that addresses the Mars 2020 (Perseverance) objective of preparing for future human exploration by demonstrating In Situ Resource Utilization (ISRU) in the form of dissociating atmospheric CO 2 into O 2 . The primary goals of the MOXIE project are to verify and validate the technology of Mars ISRU as a springboard for the future, and to establish achievable performance

  •   Proton Aurora and Optical Emissions in the Subauroral Region
    Space Sci. Rev. (IF 8.017) Pub Date : 2021-01-06
    B. Gallardo-Lacourt, H. U. Frey, C. Martinis

    Optical structures located equatorward of the main auroral oval often exhibit different morphologies and dynamics than structures at higher latitudes. In some cases, questions arise regarding the formation mechanisms of these photon-emitting phenomena. New developments in space and ground-based instruments have enabled us to acquire a clearer view of the processes playing a role in the formation of

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