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Planet Neptune

Planet Neptune. By: Diamond-Charlay. History. Who named Neptune: Neptune was god that did not have a planet in his name. What does Neptune mean: God of the sea. Discovery. Some sources that the astronomers Galle and d'Arrest discovered Neptune on September 23, 1846

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Planet Neptune

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  1. Planet Neptune By: Diamond-Charlay

  2. History • Who named Neptune: Neptune was god that did not have a planet in his name. • What does Neptune mean: God of the sea

  3. Discovery • Some sources that the astronomers Galle and d'Arrest discovered Neptune on September 23, 1846 • Other people say that Adams in 1846.

  4. Planet Structure • Solid rock core, gas and ice mantle inside

  5. Atmosphere • 80% hydrogen,19% helium,0.5 methane and traces of other compounds • diameter: 49,532 km (equatorial) mass: 1.0247e26 kg

  6. Missions • How long are its years and days? • A year on Neptune lasts for 165 Earth years. • A day on Neptune is shorter than a day on Earth. • This gas planet spins, or rotates, once every 16 hours.

  7. Motion • orbit: 4,504,000,000 km (30.06 AU) from Sun. • Neptune is the eight planet from the sun. • Neptune orbits slowly because it is farther away from the sun. • Size, color Neptune seems to be a twin to Uranus. • Neptune does not spin on its side; its axis tilts only a little more than that of Earth.

  8. Data • Diameter: 49,528 km • Average distance from the sun:4.5 billion km • Mass:10,240x10^22 kg • Surface gravity (Earth=1):1.12 • Average temperature:-225c • Length of sidereal day:16.11 • Length of year:164 Earth days • Number of observation moons:8*

  9. other • The rings of Neptune are made up of fairly small, very dark clumps of rock. • Scientists think that most of these clumps are about the size of a small car. • There is also a large amount of dust in the rings. one of the rings has a twist in it. • Uranus orbit didn't seem to obey the laws of physics. • Something was making Uranus move unexpected.

  10. sources • http://www.wordsources.info/neptune.html • http://www.wordsources.info/neptune.html • http://://www.physorg.com/newman/gfx/news/2004/neptune.gif • http://gtresearchnews.gatech.edu/images/neptune2.jpg • http://2.bp.blogspot.com/_EBr52HcHJfk/SHs0-L8MkzI/AAAAAAAAAC8/eJp-3pQGhpc/s400/Neptune_Int-browse.jpg • http://www.spacedaily.com/images/neptune-diamond.jpg • http://www.mikeoates.org/naw96/img/neptune/neptune.jpg • http://www.biochem.szote.u-szeged.hu/astrojan/neptune.jpg • http://www.astro.keele.ac.uk/~rdj/planets/images/Planet%20comparisons/600px-Neptune,_Earth_size_comparison.jpg • http://atropos.as.arizona.edu/aiz/teaching/a204/images/neptune.gif

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