presentationassignment4 - 68 candidates of Earth-sized...

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How Unique Are We Really? Presented By: Mitch McMichael
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Questions That Need to be Answered Are Solar Systems like our common in our galaxy? Are planets like Earth common or rare?
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Scott Gaudi and Gravitational Microlensing Gravitational Lens Approximated 45% of stars are like our own. With the help of Andrew Gould that number was narrowed to 15%
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Our Unique Solar System The key to Earth, lies in Jupiter It is responsible for our oceans It is our great protector
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Habitable for Humans Temperature needs to be between 0-30°C. Light levels have to be between 0.001-2 times the brightness of the sun. Gravity is between 0.75<g<1.5. The atmosphere has to have oxygen, H2O vapor, and CO2. The presence of liquid water.
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The Kepler Mission
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Unformatted text preview: 68 candidates of Earth-sized planets, 54 candidates of habitable planets, and 5 that fit both. 15 Planets have been confirmed as discovered! My Thoughts Even though only 15% of the galaxy resembles a solar system such as ours, that still leaves a few hundred million systems that have the potential to sustain a planet such as Earth. With all of the solar systems and planets we have yet to discover, the possibility of such a planet as Earth seems probable to exist. Even though our planet is so sophisticated References http://www.nasa.gov/mission_pages/kepler/new http://www.astro.cornell.edu/academics/course http://www.redorbit.com/news/space/1805201/...
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This note was uploaded on 01/08/2012 for the course ASTRO 2202 taught by Professor Veverka, j during the Spring '07 term at Cornell University (Engineering School).

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presentationassignment4 - 68 candidates of Earth-sized...

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