Scientists previously thought that the moon's volcanic activity died down a billion years ago. But new data from NASA's Lunar Reconnaissance Orbiter, or LRO, hints that lunar lava flowed much more recently, perhaps less than 100 million years ago.
via LiveScience.com http://ift.tt/1sGqxmn
via LiveScience.com http://ift.tt/1sGqxmn
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