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Moons of Neptune

by: Jonathon Carten. Moons of Neptune. Triton. Triton is the largest of Neptune's moons. 7 th largest moon in the solar system. Discovered by William Lassell on October 10 th ,1846, 17 days after the discovery of Neptune. Surface temperature recorded to be -235 degrees Celsius.

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Moons of Neptune

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  1. by: Jonathon Carten Moons of Neptune

  2. Triton • Triton is the largest of Neptune's moons. • 7th largest moon in the solar system. • Discovered by William Lassell on October 10th,1846, 17 days after the discovery of Neptune. • Surface temperature recorded to be -235 degrees Celsius. • Estimated that in one billion years, Triton will collide with Neptune's atmosphere.

  3. Naiad • Closest moon to Neptune. • Found sometime before mid-September 1989, as this was the first record of the moon. • This moon is not a sphere.

  4. Thalassa • Second closest moon to Neptune. • Found around the same time as Naiad. • Also not a sphere, like Naiad. • Appears to be disk shaped.

  5. Despina • Third closest moon to Neptune. • Found in late July 1989 by Voyager 2. • Not a sphere and appears to have no geological changes.

  6. Gelatea • Fourth closest to Neptune. • Found in late July 1989. • Name given on September 16th,1991. • Not a sphere, with no apparent geological change.

  7. Larissa • Fifth closest to Neptune. • Found on May 24th, 1981. • Re-found and confirmed by Voyager in 1989. • Not a sphere, but appears to have large craters in it.

  8. Proteus • Second biggest moon of Neptune. • Found in 1989 by Voyager 2. • More than 400 kilometers in diameter. • One of the darkest objects in the solar system. • Reflects only 6% of sunlight that hits it. • Not a sphere.

  9. Nereid • Found on May 1st, 1949 by Gerald Kuiper. • Third largest moon, with a diameter of 340 km. • Unusual orbit suggests that it may be a caught asteroid or Kuiper Belt object. • Was too far to be observed by Voyager 2.

  10. Halimede • Found by Matthew Holman on August 14th, 2002. • Follows an inclined and eccentric orbit. • About 62 kilometers in diameter. • Appears Grey in visible light. • Named on February 3rd, 2007.

  11. Sao • Founded by Matthew Holman on August 14th, 2002. • Orbits at 22.4 million kilometers. • Diameter of 44 kilometers. • Shares many of the same characteristics as Halimede.

  12. Laomedeia • Founded by Matthew Holman on August 13th, 2002. • Orbits at 23,571,000 kilometers. • Diameter is 42 kilometers.

  13. Psamathe • Founded by Scott Sheppard and David Jewitt in 2003. • Takes almost 25 Earth years to orbit. • Orbits at 46,695,000 kilometers. • Diameter is 24 kilometers.

  14. Neso • Farthest non-spherical moon of Neptune. • Orbits at 48 million kilometers, the farthest moon of any planet. • Diameter is 60 kilometers. • Mass is estimated to be 1.6x1017kilograms.

  15. Works Cited • For works cited, please see the works cited page on the wiki. • Www.physics121neptune.wikispaces.com

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