- 1
How many planets orbit our Sun?
- 2
Which is the hottest planet in the solar system?
- 3
Which planet is famous for its beautiful rings?
- 4
The Sun is mainly a giant ball of…
- 5
Which is NOT a gas giant?
- 6
The asteroid belt is located between which two planets?
- 7
A meteoroid that enters Earth's atmosphere and burns up is called a…
- 8
Earth's rotation takes about…
- 9
Earth's revolution around the Sun takes about…
- 10
During a total solar eclipse, the Sun is hidden by the…
- 11
The tilt of the Earth is the main reason we have…
- 12
Which planet has the most known moons (as of recent counts)?
- 13
The Milky Way is a…
- 14
Which is the correct order from smallest to largest?
- 15
The Moon has no…
- 16
Craters on the Moon were made mostly by…
- 17
A rocket's engine works because of which law of motion?
- 18
Fuel + oxidizer in a rocket are together called…
- 19
Escape velocity from Earth is about…
- 20
Which of these is NOT a part of a rocket?
- 21
'Launch' happens on Earth; 'space travel' happens in…
- 22
A satellite orbiting Earth stays up because of…
- 23
GPS stands for…
- 24
The first artificial satellite ever launched was…
- 25
Which is a NATURAL satellite of Earth?
- 26
Which country's astronauts are called cosmonauts?
- 27
In microgravity, astronauts feel almost…
- 28
Astronauts must exercise in space to protect their…
- 29
Astronauts sleep in…
- 30
Food in space is usually…
- 31
You can't pour water into a cup in space because water will…
- 32
A spacewalk is officially called…
- 33
Apollo 11 landed on the Moon in the year…
- 34
The first man on the Moon was…
- 35
Which agency ran the Apollo program?
- 36
Which planet do many current missions and rovers explore?
- 37
A NASA Mars rover launched in 2020 is called…
- 38
The little helicopter that flew on Mars is named…
- 39
Which of these is TRUE about shooting stars?
- 40
The best word to describe our journey learning about space is…
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