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 29, 2017
Galactic Australis
Today's Astronomy Picture of the Day features galactic and extra-galactic wonders plus the Aurora Australis. "Mouseover" the image in the link for a guide!
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