Were the lakes on Mars a mirage?
Did they really see lakes on Mars?
via MOTHERBOARD
For instance, one team of researchers demonstrated “that clay minerals known to exist in the south polar region of Mars are sufficient to fully explain the radar observations,” according to a study published on Thursday in the journal Geophysical Research Letters. While these minerals, known as smectites, might rule out the existence of lakes on modern Mars, they corroborate the evidence that the red planet was much wetter billions of years ago.
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