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, October 6, 2018
Pond Life
Today's Astronomy Picture of the Day is a frog's-eye view of the night sky over a pond in Kiruna, Sweden. Nice observatory! Nice auroral activity!
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