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, January 9, 2023
Green Visitor
Today's Astronomy Picture of the Day shows Comet C/2022 E3 (ZTF), now appearing in our skies. Between the blue tails and the green head, I'm reminded of someting...
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