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)
Sunday, September 23, 2018
Figure Eight
Today's Astronomy Picture of the Day shows an analemma (the path of the Sun in the sky) over the standing stones of Callanish. "Mouseover" the image in the link to match snapshots of the Sun with dates of the year.
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