FIRST MARS ROCKS REVEAL PLANET WAS ONCE POTENTIALLY HABITABLE | WHAT REALLY HAPPENED

FIRST MARS ROCKS REVEAL PLANET WAS ONCE POTENTIALLY HABITABLE

Engadget reported on the announcement, which stands as the latest breakthrough Perseverance has made. The rover has already beamed back the first-ever audio recordings of the planet. The rover’s also dropped off a miniature helicopter that can fly in Mars’ ultra-thin atmosphere.

Project scientists say Perseverance’s first-ever rock sample from Mars is basaltic in composition. It may be the product of lava flows. This means the rocks may have formed from the rapid cooling of low-viscosity lava. A long-dead volcano could be the culprit. More pertinent to the possibility of a formerly habitable world, however, is the presence of salt minerals in the rocks; signs that groundwater may have once flowed through them. Or perhaps collected on top of them and then evaporated away, leaving the salt behind.

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