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 15, 2014
Double Crescent
Today's Pluto Picture of the Day is a montage of Jupiter and volcanic Io as imaged by New Horizons during its 2007 gravity assist flyby.
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