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Known Universe - Season 3 Episode 2 Treasure Hunt
4.80 60 minutes Join a treasure hunt of cosmic proportions, with a diamond mine on Neptune?! Known Universe explores innovative ideas that could allow humans to harness raw materials in space. One concept includes using Kevlar ribbons to anchor astronauts to asteroids containing more metal than has been excavated in all of human history. And see how meteorites have created huge deposits of gold and other precious metals here on Earth.
