The unmanned spacecraft aims to orbit Mars from a high altitude, studying its atmosphere for clues on how the Sun may have influenced gas to escape from the possibly life-bearing planet billions of years ago.
The probe is different from past NASA missions because it focuses not on the dry surface but on the mysteries of the never before studied upper atmosphere.
NASA’s Goddard Space Flight Center in Maryland posted on its website an artist’s video rendition of what Mars might have looked like in a long-gone era when its atmosphere was thick enough to support surface water.
The green lakes and white clouds it depicts offer a stark contrast to the barren desert planet of today, coated in reddish-pink grit and dry except for traces of briny subsurface streams.
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