"nsf: Arecibo Observatory/NASA/NSF  Comet 45P/HMP12 Feb 2017 <p><a href=""http://photos-of-space.tumblr.com/post/157292467682/video-of-green-comet-45p-puts-you-close-to-the"" class=""tumblr_blog"">photos-of-space</a>:</p>  <blockquote><p>Video of Green Comet 45P Puts You Close To The Action</p></blockquote>"