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Puffy clouds, blue water: NASA video depicts Mars 4 billion years ago
Puffy clouds, blue water: NASA video depicts Mars 4 billion years ago

Don’t be fooled – this epic video of plump clouds, clear lakes and gorgeous landscapes isn’t from some remote vacation spot on Earth. This could be what Mars looked like about 4 billion years ago, NASA scientists say. The video (which you can watch above) also shows how Mars may have transitioned from a lush paradise into the desert-like Red Planet we know today. Scientists working on the Mars Atmosphere and Volatile Evolution mission, known as MAVEN, which is scheduled to launch Monday, are hoping to figure out whether the planet really could have looked like that – and if so, for how long. It may seem hard to believe, given that the green-blue scenery in the...

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