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, February 12, 2018
Picasso's Blue Period
Today's Astronomy Picture of the Day shows blue-tinged Comet C/2016 R2 (PanSTARRS) "approaching" (apparently) the Pleiades cluster, encased in blue nebulosity.
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