Planets Flashcards
1
Q
Mercury
- climate
- moons
- relative distance
- rotation/orbit
A
hot and dry
no moons
closest to the Sun
shorter orbit and rotation time than Earth
2
Q
Venus
- climate
- relative size
- spin direction
A
hotter than Mercury (greenhouse effect)
bigger than Mercury but smaller than Earth
spins clockwise
3
Q
Earth
- temp
- tilt
- interaction with Sun
A
average temp 15C
tilt of 23 degrees
atmosphere protects against Sun’s rays
4
Q
Mars
- temp
- moons
A
minus temperature
2 moons
5
Q
Jupiter
- moons
- moon
- rings
A
> 18 moons
largest moon is Ganymede
has a small ring system
6
Q
Saturn
- moons
- rings
- orbit
A
18+ moons
> 1000 rings made of ice/dust
takes almost 30 years to orbit the Sun
7
Q
Uranus
- rings
- colour
A
11 known rings
methane gas makes it a blue-green colour
8
Q
Neptune
- rings
- moon
- orbit
A
2 thick and 2 thin rings
largest moon is Triton
orbit takes over a century