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)
Monday, September 23, 2013
A Different Light
NASA's Solar Dynamics Observatory peered at the Sun in the Angstrom 131 wavelength and caught this view of a solar flare.