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, November 19, 2014
Hands Across the Frequency
Do you see a hand stretching across the sky in this image from the Chandra X-Ray Observatory?