Across
- 2. the force that pulls everything toward the Earth
- 4. large holes in the ground, caused by something large hitting them
- 5. not like anyone or anything else
- 6. the planet third in order of the distance from the Sun, between Venus and Mars
Down
- 1. how far it is from one place to another place
- 3. the path of a planet or an object that is moving around another thing in space
- 4. the center part of an object
