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)
Wednesday, November 19, 2014
A nice view of our home star in a different light. Extreme ultraviolet frequencies reveals a lot of nice detail as well as one heck of a flare.