Across
- 5. a device used to project images of the stars or depict the solar system
- 8. the twelve constellations through which the sun, moon, and planets appear to move
- 9. a massive, hot, shining ball of gas.
- 10. the largest structure in the universe, composed of many galaxy clusters.
Down
- 1. the pattern that a group of stars seems to make in the sky.
- 2. formed by a collapsed star, has a very strong gravitational pull
- 3. the collection of all the matter, space, and energy that exists, also known as the cosmos
- 4. a group of galaxies that are found close together
- 6. clouds of dust and gas found in space
- 7. a body held together by gravity that is made of millions of stars, gas, and dust.