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Other Worlds
Today during Science our class went down to the cafeteria and learned about space and the solar systems with Mr. Gianforte. We learned mostly about exoplanets, and how they were discovered. There are 494 known exoplanets in the universe. There are many technologies used to find the faraway planets. Radial Velocity method is one way to discover the small planets. These planets are so far away, you can't just see them with any telescope. We are trying to discover other worlds that are habitable for human life, so they have to be relatively close to their sun, or they would be too cold to live. They just recently discovered a planet that seems just like earth, with the right climate and conditions for humans. He also taught us that on September 29, 2010 they announced that a goldilocks (planet that is not too hot, not too cold) planet was discovered. It is the most earthly planet we've discovered yet. The only problem is that it's hundreds of light years away. Another thing I found very interesting was that the universe has an end. That was the most surprising news that I learned.
Article posted November 5, 2010 at 12:07 PM •
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