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, December 7, 2013
Nova!
Today's Astronomy Picture of the Day shows a new nova which has appeared in the skies of the southern hemisphere: Take a look at Centaurus and see if you can spot Nova Cen 2013!
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