Across
- 2. The curved trajectory/path of a celestial object around a star,planet, or moon.
- 3. The tendency of objects in motion to stay in motion/objects at rest to stay at rest unless acted upon by an outside force.
- 4. How much matter is found in an object.
- 6. The force that pulls objects toward each other.
- 8. Interstellar clouds of gas and dust.
- 9. The measure of the gravitational pull on an object.
Down
- 1. The concept that gravity acts everywhere in the universe.
- 5. A large, rounded astronomical body that is neither a star nor its remnant.
- 6. An Italian astronomer, physicist,engineer, philosopher, and mathematician who played a major role in the scientific revolution during the Renaissance.
- 7. A famous scientist who introduced the concept of gravity, among other discoveries.