“Radar images of Comet 209P/LINEAR (May 23-27, 2014) by Arecibo...

“Radar images of Comet 209P/LINEAR (May 23-27, 2014) by Arecibo Observatory/NASA/Ellen Howell [1538 x 474] via /r/spaceporn https://ift.tt/2sI4tg3

via Tumblr https://ift.tt/2y1CzAx