Moons
Surface
Orbit/Orientation
Discovery
Extra Facts
100
What is the name of the first moon that was discovered?
Triton
100
What is Neptune's surface primarily made up of?
Gas.
100
How many planets is Neptune away from the Sun (count the Sun like on the quiz we took)?
9th
100
What year was Neptune actually discovered?
1845
100
What is the surface temperature of Neptune?
-353 Degrees fahrenheit.
200
What year was the moon Nereid discovered?
1949
200
What is the diameter of Neptune?
29,297 miles.
200
In miles/kilometers how far is Neptune from the Sun?
2793 miles or 4495 kilometers from the Sun.
200
What spacecraft visited Neptune on August 25, 1989.
Voyager 2
200
Neptune has one lasting storm on it. What is it called?
The Great Dark Spot.
300
How many moons does Neptune have?
13
300
What are the two gases Neptune is made up of?
Helium and hydrogen.
300
How many Astronomical Units is Neptune from the Sun?
30.1 units
300
When was Neptune first seen through a telescope (year)?
1846
300
How many rings does Neptune have?
6
400
What is the story behind the all of the moons names?
Neptune is the God of the Sea so all of the moons were named after other less important sea gods like Triton, or sea nymphs like Nereid.
400
BONUS QUESTION!!! Worth 600 points! Really easy! What is the nickname Neptune has?
Gas giant
400
How long does it take Neptune to orbit the Sun?
165 Earth years
400
Which astronomers predicted Neptune's existence, then used calculations to find it?
J.C. Adams and Urbain Le Verrier.
400
What are the fastest winds ever measured on Neptune?
1,200 mph
500
What is different about Triton compared to other moons?
Triton rotates the opposite direction of Neptune (and all of the other moons).
500
Name the symbol of each of the gases Neptune is made up of on the periodic table.
H and HE
500
How long does it take for Neptune to turn on its own axis?
19 hours
500
What is the exact date Voyager 2 visited Neptune?
August 25, 1989
500
How much would you weigh on Neptune if you way 70 pounds on Earth?
78.5 pounds
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