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, August 16, 2018
Going Up, Going Down
Today's Astronomy Picture of the Day shows the early morning launch of the Parker Solar Probe on a Delta IV Heavy while the skies are lit by the occasional Perseid meteor.
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