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 2, 2014
Changing Faces
Today's Pluto Picture of the Day shows the best images of Pluto's face (before our visit in 2015).
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