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)
Sunday, February 18, 2018
Into Orion
Today's Astronomy Picture of the Day peers deep into the interior of Messier 42, the Great Nebula in Orion to look at variable star LL Orionis and the stellar wind it causes.
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