Across
- 5. Huge concentrations of matter packed into very tiny spaces
- 6. They form in large clouds of gas and dust called molecular clouds
Down
- 1. A celestial body that orbits a planet, dwarf planet, or asteroid.
- 2. The distance that light travels in a specific period of time.
- 3. consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity.
- 4. is a celestial body that a is in orbit around the Sun