A laser–plasma experiment has recreated shock waves in collisionless, weakly magnetized conditions and evidenced electron acceleration to relativistic energies, offering unprecedented insight into a long-standing problem in astrophysics.

中文翻译：

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微型超新星冲击波

激光等离子实验在无碰撞，弱磁化的条件下重现了冲击波，并证明了电子相对论能量的加速作用，为对天体物理学中一个长期存在的问题提供了前所未有的见识。