When was it discovered and how. Neptune was discovered in September 23, 1846. They used mathematics to estimate where the planet is located.
The planet got its name after the roman gods.
Composition and atmosphere
The Wheather
average temp: -200C*
Huge storms and high winds.
NEPTUNE
Fun Facts
It takes 164.8 earth years for Neptune to orbit around the sun, Neptune is the 8th planet away from the sun it is the 4th largest planet.
Diameter:30,599 miles
1 Year: 60,190 days
One day:16h, 6m
Gravitational pull: 11.15 m/s2
# of natural satellites: 14
# of rings: 5
The people that discovered neptune Johann Galle, Urbain Verrier, John Adams
Voyager 2 was launched in August 20, 1977 and reached Neptune on 25 August 1989.
The planet has 14 moons and the major ones are Triton, Proteus, Nereid.
Neptune has 5 fade rings
My planet is 130.1 AU or 4,498,252,900 KM from the Sun.
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Extremely hot with pressurized rocks.
Mostly, hydrogen, helium with traces methane, water,ammonia ect.
Hydrogen 80%, helium 19%, methane 1.5%