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🌈 Are there rainbows on Mars? Sadly, no. But there are a whole lot of other conditions on Mars that we have right here on Earth! Planetary scientist Mark Lemmon explains why the Red Planet is a rainbowless world. Get more Martian science: https://t.co/xyqltucdPM https://t.co/EeBxfiCTPN — PolitiTweet.org