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)
Thursday, November 29, 2018
The Southern Crown
Today's Astronomy Picture of the Day shows Corona Australis, a rich complex of stars, gas and dust and even (by accident of alignment) a globular cluster. Imagine that as a view from your front porch on a new planet!