- 1
Which planet is closest to the Sun?
- 2
Which is the largest planet in our solar system?
- 3
What is the correct order of the first four planets from the Sun?
- 4
Which planet is known as the Red Planet?
- 5
Which planet has the most visible rings?
- 6
How many planets are in our solar system?
- 7
Which of these is an inner planet?
- 8
Which of these is an outer planet?
- 9
The inner planets are mostly made of…
- 10
The outer planets are mostly called…
- 11
Which planet is called Earth's 'twin' in size?
- 12
Pluto is now classified as a…
- 13
Asteroids are mostly found in a belt between…
- 14
A comet's tail always points…
- 15
What are comets mostly made of?
- 16
A meteor that reaches the ground is called a…
- 17
A small rocky object floating in space is a…
- 18
'Shooting stars' are actually…
- 19
True or false: Shooting stars are stars that fall from the sky.
- 20
Which is the smallest planet?
- 21
Which planet spins on its side?
- 22
How long does Earth take to rotate once on its axis?
- 23
Earth's rotation causes…
- 24
How long does Earth take to revolve around the Sun?
- 25
The Moon revolves around…
- 26
What causes seasons on Earth?
- 27
A solar eclipse happens when…
- 28
A lunar eclipse happens when…
- 29
The Sun is a…
- 30
Which is bigger, the Sun or the Earth?
- 31
Light from the Sun takes about how long to reach Earth?
- 32
The path a planet takes around the Sun is called its…
- 33
The Moon shines because it…
- 34
One full spin of Earth on its axis equals one…
- 35
One full trip of Earth around the Sun equals one…
- 36
Which planet has the Great Red Spot (a giant storm)?
- 37
Which planet is farthest from the Sun?
- 38
Earth's natural satellite is the…
- 39
The word 'astronomy' means the study of…
- 40
Which of these is NOT a planet?
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