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RT @FragileOasis: At dawn, the sun reveals scattered ice crystals in Earth's atmosphere, signaling summer near the poles
Good Morning! RT @FragileOasis Sun's light brings Earth's atmosphere into view - such a short distance to infinity
RT @ObservingSpace: A #meteor streaks through the atmosphere. Photographed by @Astro_Ron aboard the #ISS (2011)
Hurling thru the atmosphere in a capsule=Great way 2 end a great mission Watch live on @NASA TV #Return2Earth 2night
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