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)
Wednesday, April 24, 2013
Water is Wet
Today's Astronomy Picture of the Day is a short video, courtesy of Canadian Astronnaut Chris Hadfield (who is doing a wonderful job of public outreach while in orbit). What happens to a washcloth in orbit? Can you get it really wet? And what happens when you wring it out? Great stuff, here.
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