Butterfly crater on Mars

I’ve spent the day noodling around in the current issue of Icarus, following up some of the more interesting stories within its table of contents, and came across a picture of this very cool crater — actually, set of craters — on Mars: Click to enlarge >Elongated “butterfly crater” on MarsA mosaic of three images captured by the THEMIS instrument on Mars Odyssey in its daytime mode covers a very unusual elongated crater located north of ….

URL: http://www.planetary.org/blog/article/00002894/

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