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 3, 2001
Embedded Clusters
Today's Astronomy Picture of the Day shows clusters of stars embedded in a nebula in the galaxy known as NGC 2366.
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