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)
Monday, April 4, 2005
Setup
Today's Astronomy Picture of the Day combines a timed exposure of the sky with a surprisingly common setup for amateur astronomers these days.
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