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, June 16, 2014
Happy Birthday, APOD!
Today's Astronomy Picture of the Day shows the location of nineteen years of Astronomy Pictures of the Day! I can't claim to have been a visitor since day one, but I know I started visiting pretty early on in APOD's run. Here's to another nineteen!
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