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, November 21, 2017
Dipping In
Today's Astronomy Picture of the Day shows Ursus Major, The Big Bear, The Plough, call it what you will: The Big Dipper. "Mouseover" the image in the link for a guide.
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