Across
- 2. science, The study of objects and events beyond Earth.
- 3. Everything that exists, including space, time, matter and energy.
- 6. A tool used to observe distant objects in space.
- 8. A huge ball of hot gas that produces its own light and heat.
- 10. A giant cloud of gas and dust in space.
Down
- 1. The force that pulls objects toward each other.
- 4. Information used to support or challenge an idea.
- 5. A well-supported scientific explanation based on evidence.
- 7. A large round object that orbits a star and does not make its own light.
- 9. A huge group of stars, gas and dust held together by gravity.
- 11. hole, A region in space where gravity is so strong that not even light can escape.