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)
Tuesday, July 7, 2015
Cave of Stars
Today's Astronomy Picture of the Day shows a view of the night sky from the mouth of a sea cave. Did a similar view entice our ancestors to dream of a new sea?
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