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)
Saturday, August 1, 2015
Stacked and Stripped
By stacking multiple images (in multiple wavelengths of light) in today's Astronomy Picture of the Day, ESO 137-001 (near the constellation of Triangulum Australe) reveals that it is being stripped of gas and dust as it speeds on its way.
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