
NASA @NASA
Is there water on Mars? There sure is! It’s not exactly like water on Earth, but Martian H20 can tell us a lot about the planet’s distant past while potentially aiding explorers in the future. Mars scientist Eva Scheller explains. Get more Martian science: https://t.co/xyqltucdPM https://t.co/mC18XfiHzW — PolitiTweet.org