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)
Wednesday, October 25, 2017
A Hole in the Moon
Today's Astronomy Picture of the Day shows the Marius Hills region of our own Moon. This classic Lunar Orbiter 2 image (with an insert courtesy of the current Lunar Reconnaissance Orbiter) shows this fascinating region of the Moon, home of signs of volcanic activity (volcanic domes). Further examination appears to have discovered what appears to be a "skylight" (hole) into a lava tube. Could this be utilized for a future base or colony on the Moon?
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