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, March 28, 2013
Cosmic Yarn
Today's Astronomy Picture of the Day shows NGC 3169 and NGC 3166. This pair of galaxy are interacting, and, as a result, NGC 3169 appears to be unraveling like a ball of yarn.
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