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Science in Seconds - Alien Life

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Science in Seconds Know Everything RAVES - Alien Life Rheanna Sand: Life on other planets: probably the most far-fetched discovery ever dreamed up by the human race. And it could happen in our lifetime. But despite the many films, TV shows, and stories written about extraterrestrial life forms, they probably won't look like little green men, or little brown men, or men wearing colorful tights, or busty blonds; but they may or may not love cat food. Europa, the sixth moon of the planet Jupiter is like a small, cold Earth. It has an iron core, and more importantly, an ocean of water beneath an icy surface, which scientists think could support life. Europa is at least five times as far from the Sun as Earth, so this would be one very cold ocean. We're not likely to find anything very big there. The kind of life we might find is more like bacteria or algae, in a word, slime; slime that can use chemical energy instead of sunlight to grow. These types of microscopic life forms live deep in our oceans near warm vents, and it was their discovery that broadened the search for life on other planets. So now, NASA, the European and Russian space agencies are planning a 2020 mission to send two robotic orbiters to Jupiter, and four of its moons, by 2026. Europa will of course be the main attraction. The Russians are building a lander that will drill the ice and analyze it, and NASA is working on a way to access the water underneath. So who knows? We might get our pivotal moment, the moment we discover life on another planet. Or, if we haven't sterilized the craft properly, the moment we introduce life to another planet: a whole different kind of science fiction dream come alive. Courtesy of Science in Seconds – All rights reserved Only for educational/non-profit purposes. (Translators are invited to put their name here)

Video Details

Duration: 1 minute and 58 seconds
Year: 2010
Country: United States
Language: English
License: All rights reserved
Producer: Science in Seconds
Director: Science in Seconds
Views: 53
Posted by: tradottiinitaliano on Sep 10, 2011

The human search for ET intelligence

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