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, August 20, 2018
Quiet Sun
Today's Astronomy Picture of the Day shows some activity on our Sun. Currently in the Solar Minimum, even fewer sunspots than expected are visible.
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