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)
Thursday, October 26, 2017
The Bubble Nebula
Today's Astronomy Picture of the Day shows NGC 7635, popularly known as The Bubble Nebula. In addition to this object, a long exposure over the wide field shows additional objects of interest, such as Messier 52, a open cluster of stars.
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