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 8, 2013
Today's Astronomy Picture of the Day shows the recent solar eclipse from Uganda. At the moment of totality, the corona and the prominences appear.