Space Vocab

2. The Earth's slant on its axis that causes the seasons as it orbits around the sun.
4. A natural satellite that orbits a planet.
5. A large dent in the ground that is shaped like a bowl.
10. An astronomical event when a moon or planet passes between another planet, moon, or a star.
11. The time or date when there is an equal amount of daylight and nighttime.
12. Occurs twice a year when the days have the most amount of daylight and again when the days have the least amount of daylight.
13. The rise and fall of the ocean (water level) due to the moon's gravity.
15. Way The galaxy that contains our solar system.
18. An arrangement of stars in the sky.
19. One complete trip of Earth around the sun.
20. A force or pull between two objects. There is a greater pull/force with a larger mass.

1. A large object of matter that revolves around the sun.
3. A giant object made of gases in space that produces its own heat and light. The Sun is an example.
5. A ball of ice and dust that orbits the sun.
6. Rocky, metallic objects that orbit the sun and are too small to be a planet.
7. A small part of the universe made up of gas, stars, and a large collection of dust.
8. The appearance of the part of the moon that is illuminated or not.
9. The repeating path an object takes around another object.
14. System The planets, moons, meteoroids, and other objects that revolve around the sun.
15. A small metallic object that orbits the sun. When it hits Earth, it's called a meteor.
16. Light given off by the stars or sun.
17. One full turn on Earth's axis, which takes one full day.
21. The imaginary line that passes through the center of a planet from one pole to another.