Across
- 2. another name for the North Star
- 6. a proposed explanation for an event
- 8. our home galaxy containing our solar system, along with many other stars and planets
- 9. the process in a star's core that combines atoms and releases energy allowing the star to shine bright in the night sky
- 10. a group of stars that form a pattern
- 11. scientists who study space
Down
- 1. a constellation made up of seven stars in the shape of a bowl with a handle
- 3. distance that light can travel in one year
- 4. the invisible light that carries more energy than visible light and can cause a sunburn
- 5. a large group of stars, planets, gas, and dust stuck together by gravity
- 7. the sun and all the planets, moons, asteroids, and comets that orbit around the sun due to its strong gravity