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)
Friday, February 19, 2016
Jewels in a Messier Cluster
Today's Astronomy Picture of the Day shows NGC 2403, a lovely spiral galaxy found in the constellation of Camelopardalis. NGC 2403 is associated with the Messier 81 group of galaxies.
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