1.
A bright star at the center of our solar system
2.
Earth’s natural satellite
3.
A ball of glowing gas in space
4.
A large object orbiting a star
5.
The path one object takes around another
6.
The force pulling objects toward each other
7.
A vehicle used for space travel
8.
A small, rocky body orbiting the sun
9.
A space rock burning in Earth’s atmosphere
10.
A body of ice and dust with a glowing tail
11.
A huge group of stars and other matter
13.
A being from another world
14.
A person who travels into space
15.
When one body in space blocks another
17.
The U.S. agency for space exploration
18.
The start of a rocket’s flight
19.
An object that orbits a planet
20.
All of space and everything in it
21.
A circular band around certain planets
22.
The vast area beyond Earth’s atmosphere
23.
Tiny particles floating in space
24.
The study of stars, planets, and space
25.
The layer of gases around a planet
26.
Watching or studying something carefully
27.
The sky above us after sunset
28.
The North Star, used for navigation
29.
The closest planet to the sun
30.
The fourth planet from the sun
