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8Venus: Death of a Planet
Venus: Death of a Planet
Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked upside down and turned inside out. Its ...
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7.5Looking for Life on Mars
Looking for Life on Mars
NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and ...
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7.1Star Trek IV: The Voyage Home
Star Trek IV: The Voyage Home
It's the 23rd century, and a mysterious alien power is threatening Earth by evaporating the oceans and destroying the atmosphere. In a frantic attempt to save mankind, Kirk and his crew ...