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Neptune

Neptune. Josh Kim. Symbol. How Neptune got its name. Urbain Le Verrier ( Who discovered the planet) wanted to name the planet himself and named it after the Roman sea god Neptune or in Greek Poseidon . Discovery.

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Neptune

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  1. Neptune Josh Kim

  2. Symbol

  3. How Neptune got its name Urbain Le Verrier ( Who discovered the planet) wanted to name the planet himself and named it after the Roman sea god Neptune or in Greek Poseidon

  4. Discovery • Johan Gottfried Galle, Heinrich Louis d’Arrest, Urbain Le Verrier, and John Couch Adams were the the four discoverers of Neptune. • Adams and Verrier used mathematics to predict the gravity • Galle and d’Arrest observed the planet.

  5. Distances • Order from the sun: Neptune is the 8th planet from the sun • Distance from the Sun (km): 4,498,252,900km • Distance from Earth (km) 4.3 billion km

  6. Planet measurements • Mass: 1.0243x10(26) kg • Volume 6.254x10(13) km • Density 1.64 g/cm(3) • Gravity 11.15 m/s(2)

  7. Would Neptune float or sink in water? • Neptune will sink because it is more dense than water.

  8. Orbit and rotation • Orbiting the Sun: 164.79 years to orbit the sun • On its own axis: it takes 16Earth hours to rotate on its own axis

  9. Atmosphere • Neptune is made of hydrogen and helium and some methane. The methane gives Neptune its blue color.

  10. Temperature • 1. Temperatures on Neptune range from -270 to -370 degrees Fahrenheit • 2. Neptune's Temperatures are about 72 degrees kelvin which is 200 degrees colder than Earth

  11. Composition and Atmosphere 1. Neptune is a gas giant. The planets surface is made of hydrogen, helium, and methane. 2. The internal composition is made of rock and ice. 3. Neptune is a big outer planet. It looks a lot like a bouncy ball. It also looks like Earth without land.

  12. Weather • The weather on Neptune is made up of Huge storms and extreme high winds.

  13. Rings • The rings on Neptune were discovered in 1984 in Chile by Patrice Bouchet, Reinhold Häfner and Jean Manfroid. Neptune has 6 rings and colors range from white to blue. The rings are made of ice, dust, and rock.

  14. Moons Triton was discovered by William Lassell in 1846. After Neptune was discovered Nereid Was discovered by Gerard P. Kuiper in 1949. The third moon named Larissa was first observed by Harold J. Reitsema, William B. Hubbard, Larrt A. Lebofsky and David J. Tholen on May 24, 1981. The Voyager 2 discovered 5 inner moons Naiad, Thalassa, DespinaGlatea and Proteus. In 2002 and 2003 ground based telscopes found 5 outer moons: Halimede, Sao, Psamathe, Laomedeia and Neso

  15. Types of water on Neptune • Solid form: ice • Liquid: Water • Gas: Steam

  16. What if…? • What if a human traveled to Neptune? If a human traveled to Neptune the spacecraft that they are traveling in would be knocked out by the high winds on Neptune. It is also very cold and humans will freeze to death. There is also no oxygen. The person will also be squashed to death

  17. Fun Fact • In Roman mythology, Neptune is the god of the sea which in Greek Mythology id Poseidon.

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