1.
The closest planet to the Sun.
2.
The hottest planet in the solar system.
3.
The planet where we live.
4.
Earth’s natural satellite.
6.
The biggest planet in the solar system.
8.
A very cold planet that spins sideways.
9.
The farthest planet from the Sun.
10.
The star at the center of our solar system.
11.
A robot that explores Mars.
12.
A huge group of stars in space.
13.
A vehicle that travels into space.
14.
The biggest volcano in the solar system.
15.
A person who travels into space.
16.
A giant storm on Jupiter.
17.
When the Moon blocks the Sun's light.
18.
A hole on the surface of the Moon or a planet.
19.
A tool used to look at stars and planets.
