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Asteroids, comets, gamma ray bursts and the sun all combine to make the Earth a dangerous place to live. NASA's top brass and other scientists are arming themselves with the latest technology to pre-empt an apocalyptic attack. Watch and investigate bizarre, and terrifying apocalyptic scenarios and the ways that scientists are racing against the clock to develop technology to defend our planet.
Episodes
1Secrets of the Sun 2Mars: The Red Planet 3The End of the Earth: Deep Space Threats to our Planet 4Jupiter: The Giant Planet 5The Moon 6Spaceship Earth 7The Inner Planets: Mercury & Venus 8Saturn: Lord of the Rings 9Alien Galaxies 10Life and Death of a Star 11The Outer Planets 12The Most Dangerous Place in the Universe 13Search for ET 14Beyond the Big Bang