My trivia and facts on the Universe. Asteroids, black holes, distances, galaxies, light, Mars rovers, Moon landings, stars, Titan, Voyager program, and other Universe trivia and facts.
Sunday, January 20, 2013
Phobos monolith
The Phobos monolith is a large rock on the surface of the moon Phobos. It measures approximately 280 feet across.
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