Nebulae are clouds of gas that aren’t classified as stars, planets, moons or asteroids. Astronomers use the most sophisticated techniques to view them since they are practically invisible to the naked eye.
Views: 71
Serie: The Universe
Guest Star: Michio Kaku
Episode Title: Nebulas
Duration: 00:44 44min
Air Date: 2008-04-01
Year: 2008
IMDb: 7.7
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