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)
Tuesday, January 28, 2014
Courtesy of the Hubble Space Telescope (long may it snap pictures), QSO 0957+561, the Twin Quasar. One object? Or two?