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)
Wednesday, July 8, 2015
Dance of Worlds
Today's Astronomy Picture of the Day shows the intricate dance between Saturn, the Rings, and the multitude of moons (represented by Dione) as imaged by the hard-working Cassini orbiter.
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