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.
Tuesday, December 20, 2011
Universe - facts 7
The diameter of the observable Universe is currently estimated to be 93 billion light years. This is approximately 558,000,000,000,000,000,000,000 miles (558 sextillion miles).
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