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, September 22, 2013
Analemma
The Sun loops across the sky in the space of a year's worth of photographic exposures in today's Astronomy Picture of the Day.
No comments:
Post a Comment