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, June 13, 2018
Diffraction on the Quantum
Today's Astronomy Picture of the Day shows a cloudbow, scattering of light through the atmosphere, over Delaware.
No comments:
Post a Comment