Transcript 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
• Other people say that Adams in 1846.
Planet Structure
• Solid rock core, gas and ice mantle inside
Atmosphere
• 80% hydrogen,19% helium,0.5 methane
and traces of other compounds
• diameter: 49,532 km (equatorial) mass:
1.0247e26 kg
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
• 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.
Data
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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
• 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
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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/eJp3pQGhpc/s400/Neptune_Int-browse.jpg
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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/600pxNeptune,_Earth_size_comparison.jpg
http://atropos.as.arizona.edu/aiz/teaching/a204/images/neptune.gif
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