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)
Thursday, September 17, 2015
Wisps
Today's Astronomy Picture of the Day shows us a portion of the very beautiful (and impossible to see under my skies!) Veil Nebula in the constellation of Cygnus. Being in the circum-polar region, it is well placed to be seen much of the year from my locale but requires dark (and steady) skies as well as a emission filter to tease out details.
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