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The Solar System

The Solar System

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The Solar System

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Presentation Transcript

  1. The Solar System

  2. The solar system formed from a a cloud of cold gas and dust called the solar nebula about ________ ___________ years ago

  3. Evidence of countless impacts is found right next door

  4. Inner planets are vastly different than outer planets in terms of sizes, masses, and densities

  5. There is still minor debris left over from the formation of the solar system Rocky __________ - mostly found between the orbits of Mars and Jupiter

  6. There is still minor debris left over from the formation of the solar system Icy _______ – found in the outer parts of the solar system

  7. ____________- orbits the Sun, nearly round shape, not a planet, star or moon

  8. __________________ Disks New solar systems in formation!

  9. Extra-Solar Planets • planets too faint to be detected • directly • so must detect them indirectly • by observing a __________ • ____________ • stellar wobble due to __________ • of the planet • 1990s, used _____________ to detect planets Planets have been detected around other stars!!!

  10. New Earth-like Planet!

  11. First image of an extra-solar planet around a star

  12. Discovery Methods KEPLER ~ 2009 Nasa’s Space Interferometry Mission (2011) Terrestrial Planet Finder (2014, 2020)