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, November 14, 2014
On the Surface
Today's Astronomy Picture of the Day shows one (hopefully of many!) picture from the surface of Comet C67/P Churyumov-Gerasimenko! Well done, Philae!