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, July 7, 2019
Saturn's Shadow
Today's Astronomy Picture of the Day shows a partial (crescent) Saturn plus the long shadow cast by the planet upon the ring system. Views like these can only come courtesy of visitors that fly past (e.g., Pioneer or Voyager) or orbit (Cassini). Here's hoping somebody funds another orbiter like Cassini!
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