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, November 25, 2015
Terrain Features
Today's Astronomy Picture of the Day shows ice pits on the surface of Pluto. Pluto: from planet of complete mystery to complex world of wonders, all in the time of a cosmic heartbeat.
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