NPR- October 19, 2014
The arrival of a “mountain-sized” comet, Siding Spring (C/2013 A1), is made all the more extraordinary by the fact that humans — who were busy refining their stone-tool-making skills the last time such an event might have occurred — now have spacecraft from multiple countries at the Red Planet to see it happen.
An old comet guest to set sight on.
I hope that Mars “leaves a light on.”
I hope that Mars “leaves a light on.”