Correction to: Nature Astronomy https://doi.org/10.1038/s41550-020-01230-x, published online 14 October 2020.

In the version of this Comment originally published, grants awarded to Zamri Zainal Abidin had not been acknowledged. The following information is now provided in an Acknowledgements section: “Z.Z.A. thanks the University of Malaya for their Frontier Research Grant (FG033-17AFR) and Malaysia’s Ministry of Higher Education for their High Impact Research Grant (UM.S/625/3/HIR/28).”