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 24, 2016
Foxes Have Dens and Birds Have Nests
Today's Astronomy Picture of the Day shows NGC 2264, a diffuse nebula in the constellation of Monoceros. The area is popularly known as the Fox Fur, Unicorn and Christmas Tree Nebula.
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