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, February 1, 2014
ARA
Today's Astronomy Picture of the Day shows the subtle interplay of light and dust within NGC 6188 and NGC 6163 in the constellation of Ara.
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