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)
Sunday, September 21, 2014
Iluminated Limb
Today's Pluto Picture of the Day shows the limb of Neptune's moon Triton during the 1989 Voyager 2 flyby.
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