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Some 3.8 billion years ago, at the same time as life was emerging on Earth, Mars was habitable too.There is evidence from orbiters and landers of water on the surface then - there would have been clouds, rain, and a thick atmosphere.There was also a global protective magnetic field and volcanos.This means Mars essentially had all the right ingredients for life - carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur.If life emerged there as it did on Earth, we were on a track to find it.
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My expectation is that 2028 is most likely for our mission, but it will require hard work.
#significantly #opportunities #collaboration #instruments #ingredients #communications #perseverance #european-space-agency
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