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)
Monday, September 8, 2014
Plumes
Today's Pluto Picture of the Day shows images taken by New Horizons during it's 2007 encounter with Jupter's moon Io.
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