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)
Wednesday, April 3, 2013
Andromeda Strain
Look! Look! The Andromeda Galaxy has been invaded! Today's Astronomy Picture of the Day shows Comet PanSTARRS passing one of our extra-galactic neighbors.
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