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)
Saturday, December 2, 2017
Stereo Messier
Today's Astronomy Picture of the Day is a stereo image of the Messier craters as imaged by Apollo 11. Get out your classic red/blue glasses to make the image "pop"!
No comments:
Post a Comment