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)
Thursday, September 24, 2015
Ink Blots
Today's Astronomy Picture of the Day shows dusty molecular clouds in the constellation of Cygnus, part of the Great Rift or Northern Coalsack. "From dark sites the region can be identified by eye alone." (I do not live in such an area!)
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