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N eptune

N eptune. Tayyt Walters, Tracy Harmon, Zinhad Jasarevic. Discovery. French astronomer Leverrier and English astronomer John Couch Adams made the mathematical calculations of where Neptune should be.

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N eptune

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  1. Neptune Tayyt Walters, Tracy Harmon, Zinhad Jasarevic

  2. Discovery • French astronomer Leverrier and English astronomer John Couch Adams made the mathematical calculations of where Neptune should be. • Neptune is the 8th planet from the sun (most of the time) … from 1979-1999 Neptune was the 9th planet because Neptune and Pluto cross paths which caused Pluto to be the 8th planet for 20 years at a time out of Pluto's 248-year orbit. In 2227-2247 is the next time that Neptune will be the 9th planet.

  3. Physical Characteristics • Radius- 15,299 miles (24,622 km) • Surface Area- 2.941 billion sq. miles (7.618 billion km2) • 4th largest planet by diameter • 3rd largest planet by mass • Among the gaseous planets it is the most dense • Atmosphere- Hydrogen 80% Helium 19% Methane 1% • Gravitational Field- 1.14 times Earths Gravity

  4. Neptune’s Moons Neptune has 13 moons- - Triton- Rotates opposite direction of the rotation on the planet -Nereid- Has one of the most eccentric orbits - Proteus- Odd box like shape - Naiad- May eventually crash into Neptune’s atmosphere because it is in a decaying orbit -Larissa- Neptune's smallest moon - Galatea- Its gravity is believed to cause desterbinces in Neptune’s ring system - Thalassa- Roughly disk-shaped - Despina- Located in Neptune’s faint ring system - Sao- Missed by voyager 2 spacecraft in 1989 because it is so faint and distant from Neptune - Neso- It’s the most distant from its planet than any other known moon in the solar system - Halimede- Its 100 million times fainter than can be seen by the unaided eye - Psamathe- It may be fragments from the break-up of a larger moon billions of years ago - Laomedeia- formed after a collition between a larger moon and a comet or an astroid

  5. Video • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=uTVFZ_EVU4c • http://www.space.com/10199-perplexing-neptune-outermost-major-planet.html • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=UtgpgjeCqZs

  6. Exploration • NASA’s Voyager 2 space satellite was the first and only spacecraft to visit Neptune on August 25, 1989. It passed less than 5,000 km above the planet's cloud tops

  7. Video • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=COI5LBpvDyU • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=wIgd9C7NgcA

  8. Interesting Facts • Neptune is covered in thin wispy white clouds which stretch out around the planet. • Neptune suffers the most violent weather in our Solar System. • One day on Neptune is about sixteen Earth hours • It takes one hundred sixty-five Earth years for Neptune to make one complete orbit around the Sun. • The largest dark spot seen on Neptune was about the size of Earth and its called The Great Dark Spot • Winds blow up to 1,200mph on Neptune

  9. Video • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=Hui5E0nkdmA • 31:30 • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=y038-R3kwfw

  10. Neptune Quiz • What moon rotates in the opposite direction of the planets rotation?? • What is the large dark spot on Neptune called?? • What element is Neptune's atmosphere made up of?? • Who where the two people that discovered Neptune??

  11. Unrelated Video!!!! ;) • http://www.cleanvideosearch.com/media/action/yt/watch?videoId=yGSbf5GUWO8

  12. Citations • Google • http://www.space.com/ • http://www.sciencekids.co.nz/sciencefacts/planets/neptune.html • http://library.thinkquest.org/J0112461/intneptune.html

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