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giovedì 9 luglio 2020

# life: the transient floating entities suspended in the skies of Venus

<< From afar, Venus seems like the most uninhabitable planet of all. >>

<< NASA’s Magellan mission conducted radar mapping of the entire surface of Venus, penetrating its cloud layer and enabling (..) to reconstruct the first 3D map of the Venusian surface. >>

<< Beneath its carbon dioxide/nitrogen atmosphere, 90 times thicker than Earth’s, a hellscape of a surface awaits. >>

<< Although (..) successfully sent numerous landers, they’ve all failed after mere hours. The reason? A layer of sulfuric acid clouds enshrouds Venus at high altitudes. These radiation-reflecting clouds create a runaway greenhouse effect: responsible for Venus’s incredible temperatures. >>

<< At 60 kilometers (36 miles) in altitude, temperatures and atmospheric pressures are similar to Earth’s. The right ingredients for life, including carbon, oxygen, and nitrogen-rich molecules, are all abundant. Ultraviolet photos of Venus display "dark patches," which Harold Morowitz and Carl Sagan suggested could indicate microorganisms. >>

<< Above the cloud-tops, Venus has been called a "paradise planet." >>

Ethan Siegel. Yes, There Really Could Be Life In The Cloud Tops Of Venus. Jul 6, 2020. 






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