RT @USGS_AstroGeo: We often think of the Moon as a barren wasteland, but it actually hosts a variety of rock types with unique histories. C…
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RT @USGS_AstroGeo: We often think of the Moon as a barren wasteland, but it actually hosts a variety of rock types with unique histories. C…
414 followers
RT @USGS_AstroGeo: We often think of the Moon as a barren wasteland, but it actually hosts a variety of rock types with unique histories. C…
1,374 followers
RT @USGS_AstroGeo: We often think of the Moon as a barren wasteland, but it actually hosts a variety of rock types with unique histories. C…