These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Wednesday, April 29, 2015
Warming Crescent
Today's Astronomy Picture of the Day is an image taken by the ESA's Rosetta craft, operating around Comet 67P/Churyumov-Gerasimenko. The comet is warming as it approaches the Sun and is starting to show signs of outgassing. Will the Philae lander awake from slumber as the power of the Sun increases?
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