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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

Planet Neptune

By: Diamond-Charlay

history
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
Discovery
  • Some sources that the astronomers Galle and d\'Arrest discovered Neptune on September 23, 1846
  • Other people say that Adams in 1846.
planet structure
Planet Structure
  • Solid rock core, gas and ice mantle inside
atmosphere
Atmosphere
  • 80% hydrogen,19% helium,0.5 methane and traces of other compounds
  • diameter: 49,532 km (equatorial) mass: 1.0247e26 kg
missions
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.
motion
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.
slide8
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*
other
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.
sources
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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