Astronomy

2. – An object that orbits a planet (can be natural like the moon, or man-made).
4. – The force that pulls objects toward each other (like keeping us on Earth).
5. – Something that can be seen.
9. – A building with a large telescope for looking at space.
11. – The line where the Earth's surface and the sky appear to meet.
14. – Everything that exists, including all stars, planets, and space.
15. – A person who is trained to travel and work in a spacecraft.
17. – The scientific study of stars, planets, and the universe.
18. – An object made of ice and dust that has a long "tail" when it nears the Sun.
22. – A group of stars that forms a pattern or shape in the sky.
24. – Extremely large in size or scale.
25. – Reflecting light; looking bright and clear.

1. – A piece of rock from space that burns up and glows as it enters Earth's atmosphere.
3. – When the moon or a planet moves into the shadow of another object.
6. – The layer of gases surrounding a planet.
7. – The curved path that a planet or moon follows around another object.
8. – A large, round object in space that moves around a star.
10. – A vehicle used for traveling in space.
12. – A tube-shaped device used to see distant objects in space.
13. – A huge group of stars, gas, and dust held together by gravity.
16. – The light that comes from the Sun.
19. – To travel to a new place to learn more about it.
20. – A small, rocky object that orbits the Sun, mostly between Mars and Jupiter.
21. – Tiny particles of matter in space that come from stars.
23. – Far away in space or time.