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, October 14, 2014
Airborne Observatory
Today's Pluto Picture of the Day shows the Gerard P. Kuiper Observatory, which discovered the presence of an atmosphere around Pluto in 1988.
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