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)
Saturday, September 22, 2018
Sky Drapes
Today's Astronomy Picture of the Day shows auroral activity spotted over the skies of Hudson Bay. Alas, while I was recently fairly north, we did not see anything like this!
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