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)
Sunday, January 19, 2014
More Cosmic Bam
Today's Astronomy Picture of the Day shows NGC 2207 and IC 2163, two galaxies undergoing a very s...l...o...w head-on collision.
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