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)
Tuesday, January 16, 2018
Trunk Route
Today's Astronomy Picture of the Day shows IC 1396, the Elephant's Trunk Nebula in the constellation of Cepheus. The nebula is a complex of cool gas and dust, stretching over 50 light years, and is a site for stellar formation.
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