When did Cosmic Journeys Season 1 Episode 20 air?
Cosmic Journeys Season 1 Episode 20 aired on September 23, 2012.
Cosmic Journeys
Cutting-edge stories about the origins of the universe, black holes, exploding stars, the search for ET life, and the nature of the planets. How did the universe begin? Where will it end? Are there other worlds like Earth?
Season 1 · Episode 20
The Most Powerful Objects in the Universe
Sep 23, 2012·24m
What are the energy extremes that define our universe? And how much power can the cosmos wield? Climb a ladder of increasingly powerful events, from frigid gas clouds to nuclear explosions, and travel out to the seething environments of black holes. Find out where Earth fits in the vast power scales of the cosmos.
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Direct answers for episode-level questions and details.
How long is Cosmic Journeys Season 1 Episode 20?
This episode runs for approximately 24 minutes.
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