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, November 22, 2014
UV Star
Today's Astronomy Picture of the Day shows our home star in ultraviolet light, giving a new look to a solar flare.
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