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Solar System Smackdown: Mars v. Venus, Mussel Mystery. Oct 9, 2020, Part 2
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Solar System Smackdown: Mars Vs. Venus One of the fiercest hunts in the solar system is the scientific search for signs of extraterrestrial life—whether that’s in a methane ocean on Titan, under the icy crusts of Europa or Enceladus, in newly discovered subsurface salty lakes of Mars or, in the case of hypothetical long-dead fossils, in the rocks of ancient Martian river deltas. But just as the next Mars rover—equipped with life-sensing instruments of all kinds—is barreling toward the Red Planet for a February landing, comes news from another planet. A research team writing in Nature in September say they’ve found high concentrations of phosphine in the atmosphere of Venus. That much…