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, May 10, 2016
Wanderers
Today's Astronomy Picture of the Day shows visitors to the Milky Way Star Clouds: Saturn and Mars pass by some spectacular sights. "Mouseover" the image for a guide to what you are seeing.
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