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)
Tuesday, September 16, 2014
Need for a Revisit
Today's Pluto Picture of the Day shows the surface of Neptune's moon Triton, as imaged by Voyager 2. Won't somebody visit the outer giants again?
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