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 9, 2019
Shadows Against the Sun
Today's Astronomy Picture of the Day is from the August 2017 total solar eclipse. Were these birds as confused as some people were?
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