Across
- 3. - The force of gravity acts between all objects in the universe.
- 6. -made up of a star, eight planets, and countless smaller bodies such as dwarf planets, asteroids, and comets.
- 7. - A very very smart man
- 10. - What astronauts use to get in space
Down
- 1. - is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, has enough energy to escape it.
- 2. - The force that pulls things towards other things
- 4. - What Earth is in
- 5. - measured by how much matter the object is made of.
- 6. - what lights up the Earth
- 8. - is a measure of the gravitational pull on that object.
- 9. - the planet we live on