Lesson 12 Flashcards
1
Q
What chemical gives Neptune its blue color?
A
Methane
2
Q
Why was Neptune discovered?
A
Astronomers were looking for it.
3
Q
What made astronomers think that there was another planet beyond Uranus?
A
Uranus’s orbit wobbled as if it was being pulled by another larger planet.
4
Q
How long does it take Neptune to revolve around the sun?
A
164 Earth years
5
Q
What was the Great Dark Spot?
A
A storm on Neptune.
6
Q
How many moons does Neptune have?
A
13 moons
7
Q
What are the names of Neptune’s 3 biggest moons?
A
Triton, Proteus, Nereid.
8
Q
What are geysers?
A
They are holes in the ground through which chemicals underground spew.
9
Q
Is water coming from the geysers on Triton?
A
Probably not.
10
Q
What spacecraft has visited Neptune?
A
Voyager 2.
