Blue Origin launches New Glenn rocket to Mars
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Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That's the future that NASA's ESCAPADE, or escape and plasma acceleration and dynamics explorers, mission will help unleash: one where small,
Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its surface. So, what happened to the Red Planet, and could it happen to Earth?
On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet. NASA had several flybys before Mariner 9. Those flybys showed that Mars had a cratered surface,