Comet's Mars Buzz - NASA Scientist's 'Need To Know' | Exclusive Video
Saturday, October 18, 2014 - 21:00
in Astronomy & Space
NASA scientist Dr. Michelle L Thaller tells Space.com's @MiriKramer what you need to know about comet Siding Spring's fly-by, its implications for the Red Planet and how humans will be able to observe it. Full Coverage: http://goo.gl/0cnCEb