The Universe

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  • History
  • 22
  • Documentary History

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4
4x1
Death Stars
Episode overview
Season 4 opens with an exploration of dying stars, the process where stars become supernovas, and, occasionally, become the biggest blast in the universe as a gamma ray burst (GRB). One .. show full overview
4x2
The Day the Moon Was Gone
Episode overview
Without the moon, Earth would be a very different and desolate place today--four hours of sunlight with pitch-black nights, steady 100-mph winds spawning giant hurricanes that last for .. show full overview
4x3
It Fell from Space
Episode overview
Every year, thousands of objects both natural and manmade plummet through our atmosphere and crash into the Earth. These menacing messengers from the sky provide scientists with amazing .. show full overview
4x4
Biggest Blasts
Episode overview
An examination of the most powerful explosions and blasts in the universe. Includes a look at the Mexico's Yucatán peninsula and the impact which caused the Chicxulub crater. Also a look at gamma rays and Big Bang Theory.
4x5
The Hunt for Ringed Planets
Episode overview
They are breathtaking, lethal and a constant source of surprise. The stunning rings of Saturn have mesmerized countless scientists over the centuries. With particles the size of a house .. show full overview
4x6
10 Ways to Destroy the Earth
Episode overview
Experts cook up ways you could destroy the Earth, including swallowing it with a black hole, blowing it up with anti-matter, hurling it into the Sun, and switching off gravity.
4x7
The Search for Cosmic Clusters
Episode overview
They are the one-stop-shopping places for learning all about the nature and variety of stars in the Universe. They're unique, because in clusters, all the stars were born at about the .. show full overview
4x8
Space Wars
Episode overview
Outer space is already an essential part of America's ability to fight wars. Our military depends on satellites for many things, such as communications, reconnaissance and targeting .. show full overview
4x9
Liquid Universe
Episode overview
On alien planets, they rain from the sky as scalding iron. On distant moons, even at hundreds of degrees below zero, they slosh around in pristine lakes of methane. They can cover entire .. show full overview
4x10
Pulsars & Quasars
Episode overview
They sort of sound like the same phenomenon, but Pulsars and Quasars are very different. Pulsars are tiny--only a few miles across--but they spin as fast as a kitchen blender and sweep .. show full overview
4x11
Science Fiction. Science Fact.
Episode overview
Warp speed, transporters, wormholes and lasers--they are all staples of science fiction books, movies, and TV shows. But the fantastic world of tomorrow is quickly becoming the .. show full overview
4x12
Extreme Energy
Episode overview
Ours is a universe of energy, from powerful jets ejected from black holes to the raw nuclear fury of our Sun. But, the total amount of energy in the universe maintains perfect .. show full overview

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