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)
Friday, September 27, 2013
In this concept painting of Sgr A*, asteroids and comets stripped from their home systems orbit around that supermassive blackhole, awaiting their doom. One asteroid makes the final death spiral towards the blue event horizon.