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)
Friday, September 5, 2014
Towards the Core (003)
I guess it's a week of core samples on the Astronomy Picture of the Day! Today we have a beautiful "rich field" or wide angle view of the Sagittarius star cloud regions.
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