Episode guide
The Universe: Season 4
12 episodes · first aired Aug 18, 2009
TMDB has no overview for this season.
- 1 Death Stars Aug 18, 2009 · 45m 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…
- 2 The Day the Moon Was Gone Aug 25, 2009 · 45m 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…
- 3 It Fell From Space Sep 1, 2009 · 45m 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…
- 4 Biggest Blasts Sep 8, 2009 · 45m 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…
- 5 The Hunt for Ringed Planets Sep 15, 2009 · 45m 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…
- 6 10 Ways to Destroy the Earth Sep 22, 2009 · 45m 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.
- 7 The Search for Cosmic Clusters Sep 29, 2009 · 45m 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 same…
- 8 Space Wars Oct 6, 2009 · 45m 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…
- 9 Liquid Universe Oct 20, 2009 · 45m 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…
- 10 Pulsars & Quasars Oct 27, 2009 · 45m 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 the…
- 11 Science Fiction, Science Fact Nov 3, 2009 · 45m 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 futuristic…
- 12 Extreme Energy Nov 10, 2009 · 45m 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…