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)
Tuesday, July 28, 2015
Geometry
Today's Astronomy Picture of the Day shows an end-to-end rainbow and anticrespuscular rays over Bryce Canyon in Utah (United States of America).
No comments:
Post a Comment