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, December 6, 2017
Active Pillar
Today's Astronomy Picture of the Day shows Herbig-Haro 666, a young (and energetic star) surrounded by dust pillar.
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