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)
Thursday, February 19, 2015
Twelve
Today's Astronomy Picture of the Day shows stars in the globular cluster known as Palomar 12 (so called due to it's inclusion in the Palomar Sky Survey). How many galaxies can you spot "among" the stars of this cluster?
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