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)
Sunday, July 20, 2014
Our Peaceful Star
It was recently announced that there were zero (none at all) sunspots to be found on our system's home star. From the viewpoint of today's Astronomy Picture of the Day, it doesn't look all that peaceful!