After a weekend of speculation, scientists were finally treated to NASA’s big reveal: there is flowing liquid water on the surface of Mars.
According to researchers, NASA’s Mars Reconnaissance Orbiter identified sloped streaks on the Martian surface that contain minerals called “perchlorates,” which are able to reduce the temperature at which water freezes up to -94 Fahrenheit. Those streaks only exist during the planet’s cold season, in which temperatures routinely dip below that, and disappear during the warm season, when temperatures climb above -10 Fahrenheit. Read more
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