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)
Friday, August 8, 2014
Spiral
Today's Astronomy Picture of the Day shows NGC 6744 in the constellation of Pavo. Wonderful image showing the spiral structure!
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