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)
Monday, November 4, 2019
And It's Blue
Today's Astronomy Picture of the Day focuses in on the heart of Messier 8, the Lagoon Nebula. And look, the lagoon is blue!
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