When did Cosmic Journeys Season 1 Episode 21 air?
Cosmic Journeys Season 1 Episode 21 aired on November 29, 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 21
Birth of a Black Hole
Nov 29, 2012·24m
Spy satellites first saw these brief but extremely bright flashes of light in the 1960s. For three decades, gamma ray bursts for deep space were one of the persistent mysteries in all of science. It took a revolution in high-energy astronomy to prove that they are the distant birth cries of newborn black holes.
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Direct answers for episode-level questions and details.
How long is Cosmic Journeys Season 1 Episode 21?
This episode runs for approximately 24 minutes.
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