Comet Nishimura's tail flails in the solar wind in amazing spacecraft time-lapse

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view starting on Sept. 17. The solar wind is interacting with the tail of the comet in the footage. Credit: NASA/STEREO/Karl Battams | edited by 's [Steve Spaleta]() Music: Falling Clouds by Trevor Kowalski / courtesy of