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Mark Litterer, Justin Moskal , Chris Callahan, and Jonathan Bull

Mark Litterer, Justin Moskal , Chris Callahan, and Jonathan Bull. Planet or Not??. Pluto is actually not a planet but a dwarf planet . Pluto is a shadowy disk-like zone beyond the orbit of Neptune populated by a trillion or more comets. Pluto was discovered as a dwarf planet in 2006 .

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Mark Litterer, Justin Moskal , Chris Callahan, and Jonathan Bull

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  1. Mark Litterer, Justin Moskal, Chris Callahan, and Jonathan Bull

  2. Planet or Not?? • Pluto is actually not a planet but a dwarf planet. • Pluto is a shadowy disk-like zone beyond the orbit of Neptune populated by a trillion or more comets. • Pluto was discovered as a dwarf planet in 2006.

  3. Pluto’s Moons Charon Nix and Hydra Much smaller Discovered in 2005 Seen from the Hubble telescope 50-60 kilometers in diameter • Half the size of Pluto • Almost considered Pluto and Charon to be double planets because of the sizes

  4. Is Pluto Terrestrial or Jovian? • Pluto is a rocky dwarf planet which makes it neither Terrestrial or Jovian.

  5. Basic Properties/ Statistics • Tilt: 123 degrees, turns counter-clockwise • Length of year: 248 days • Mass: 12.5x10^21 kilograms (.0021x Earth’s mass) 1/500ths of earth • Length from sun: • Maximum: 4.583 billion miles • Minimum: 2.757 billion miles

  6. More Properties • Temperatures: (Celsius) -Day: -142 -Night: -221 *Each day on Pluto takes 6.39 Earth days* Pluto's density is 2.03 g/cm3 Earth’s density is 5.52 g/cm3

  7. l Structure & Composition/ Surface Features • Very icy and rocky • Dirty yellow color, With darker and brighter colors across the surface, with cluster of dark spots. • Pluto is basically a huge ball of rocky ice because the sun is so far away.

  8. Atmosphere • Made up mainly of nitrogen • Has carbon monoxide and methane as well • Its atmosphere is affected by the temperature

  9. Rings • 2 small moons may cause debris that could form into planetary rings. • It is very unlikely that it can hold the rings because of its mass

  10. Who Discovered it? • The existence of Pluto was predicted by perturbations of the orbit of Neptune late in the 19th century • Clyde W. Tombaugh at Lowell Observatory in Arizona. • He did a very careful sky survey which identified Pluto in photos taken on February 18, 1930 and announced it on March 13, 1930 • It was American astronomer Percival Lowell who first thought there might be another planet somewhere near Neptune and Uranus. He never found it. Thug Life

  11. Fly By • Pluto fast flyby • Was supposed to be Launched in 2000 and reached Pluto by 2010. • Did not make it. • Voyager 2 • It was successful. • These are pictures from voyager 2.

  12. Kuiper Belt • Belt is 50 AU’s from the sun • Similar to the asteroid belt but 200 times massive • Mainly small bodies

  13. This was taken from Pluto

  14. THE END Wait…………..

  15. Works Cited • http://www.nature.com/nature/journal/v335/n6187/abs/335240a0.html • http://www.planetfacts.net/Pluto-Facts.html • http://www.nbcnews.com/id/49984056/ns/technology_and_science-space/t/plutos-atmosphere-larger-thought-study-shows/ • http://www.universetoday.com/13901/surface-of-pluto/ • http://science.yourdictionary.com/articles/how-many-moons-pluto-have.html • http://history1900s.about.com/od/1930s/qt/Pluto.htm

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