Is our solar system unique? Since the first discovery of a planet orbiting another star, some 280 alien solar systems have been identified. It's only by looking at solar systems far beyond our own, that we can understand how remarkable our universe is.
Cast Appearances
Mike Rowe
voices Himself (Narrator)
Episode Discussion
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Retitled, this episode re-aired on 8/27/2018 as "Alien Solar Systems: the Dark Secrets" with a summary of "As astronomers discover new alien solar systems, they get closer to finding extraterrestrial life and revealing how our own solar system was formed."