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, April 25, 2016
On Top of Spaghetti
Today's Astronomy Picture of the Day shows a fantastic composite image of a supernova remnant that (if visible to the naked eye) would cover the sky in the equivalent of six full moons. What subtle structures are out there, waiting to be exposed!
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