Transcript Uranus
Uranus
Basic Facts About
Uranus
Miles from Sun: 1,800,000,000 miles
Orbital Period: 84 years
Rotational Period: 17.25 hours
Surface Temperature: -357 degrees F
Gravity: 100 pounds on earth would be 86 pounds
It has 27 moons
Weird Rotation
Uranus is tilted almost parallel to its orbital plane so
it appears that it is on its side
This may have happened by a collision with a planet
sized body early in the planets history
It is blue because of high levels of methane
How it was Discovered
It was the first planet
discovered by the aid
of a telescope
It was discovered in
1781
How it Got its Name
It was discovered by
William Herschel in
1781
He tried to name it
Georgian Sidus after
the TYRANT King
George 111
Uranus is the Roman
god of the sky
Neptune
Basic Facts About
Neptune
Miles from Sun: 2,800,000,000 miles
Orbital Period: 165 years
Rotational Period: 16 hours
Surface Temperature: -353 degrees F (Coldest
planet)
Gravity: 100 pounds on Earth would be 110 pounds
How it was Discovered
It was discovered by
mathematics
They looked at orbit of
Uranus and found that
it didn't follow the
exact path it should
It was finally
discovered in 1846
Interesting Facts
It is the windiest
planet in the Solar
System (800-900
mph)
It is blue because of
methane in
atmosphere
It takes about 12
years for a satellite to
reach Neptune
Pluto
Basic Facts About Pluto
Distance from Sun:3,670,000,000
Orbital Period: 247.92 years
Surface Temperature: -387 degrees F
Gravity: 100 pounds on Earth would be 8 pounds