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Neptune by: Cee and Dev

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Mr. Tersigni

on 29 January 2014

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Transcript of Neptune by: Cee and Dev

What is Neptune's Name?
Neptune was named after the Roman God of the Sea.
How did Neptune get its Name?
After Neptune was discovered, Neptune was only called "The Planet Exterior to Uranus" or as "Le Verrier's Planet." The first name suggested was from Johann Galle, she wanted to call it Janus or Oceanus. However, Urban Le Verrier claimed that it was his own right to name his discovery. He named it Neptune. Soon the planet became the internationally accepted name.
How was Neptune Discovered?
It took many astrological observations and studies to really discover Neptune. Alex Bouvard, a French astrologer believed that there was a planet after Uranus. He had this thought because he noticed that there were some irregularities that was happening to the motion of Uranus and that another planet's gravity was causing this.
It might have been Alex Bouvard that had this hypothesis, but it was John Couch Adams and Urban Le Verreir who actually came up with the discovery. Adams and Le Verreir studied this thought independently. They both urged their colleagues to spend time using their calculations looking for the planet. Le Verreir had Johann Gottfried Galle from the Berlin Observatory to search for the additional planet. Galle spent one night looking for the planet and found it with in one degree of Le Verreir's calculations. Adams asked James Challis and George Airy to help find the planet according to his calculations. He too was able to find Neptune. And because Le Verreir and Adams discovered Neptune around the same time, they were both given credit.
By: Cee & Dev
What does it look like?
Satellites: Neptune has 12 known satellites.
Rings: Neptune has 5 rings, however they are very faint.
Colour: The colour of Neptune is a bright blue. The bright blue comes from its atmosphere.
The atmosphere is composed of hydrogen and helium, which means it's a gas planet like all the other Outer Planets. It also contains a high proportion of ices like methane, ammonia and water. Most astronomers occasionally categorized as an ice giant. Traces of methane in the outermost regions account for the planet's blue appearance.
Location Related to the Sun
Neptune is the eighth planet from the Sun.
What is Neptune made of?
Hydrogen, helium and methane gas
Made of frozen gas
Rock and ice
Water, ammonia and methane ices
The Weather on Neptune
According to scientists, the surface of Neptune is one of the coldest places in the Solar System. At its surface, where the clouds of the surface touch space, the temperature can dip so low even as low as -218 degrees Celsius! The average temperature is -200 degrees Celsius. As you may know, Neptune is a giant gas planet but, it does not have a solid surface. The blue-green ball that you see in photos in really the top of Neptune's clouds. If you were able to dive down beneath the surface, you would find an interior with increasing temperatures and pressures right down to the rocky core at the center.
The wind on Neptune can blow up to 2100km/h. Surface made of frozen gas. Neptune`s cloud tops are approximately 218 degrees Celsius, and the core at about 5000 degrees Celsius
Mass, Volume and Gravity

About 102 800 000 000 000 000 000 000 000 kg


6.3 x 10 km
The surface gravity is 14% stronger than ours on Earth
How Many Days/Years does it take Neptune to Orbit the Sun?
It takes Neptune 164.79 Earth years to orbit the Sun.
It takes Neptune 60 190 Earth days to orbit the Sun.
A day on Neptune is 16.11 hours.

BBC Solar System
Science Monster
Solar System Scope.com
Universe Today
Full transcript