Across
- 2. a smaller body that revolves around a planet
- 3. any of the heavenly bodies except planets which are visible at night and look like fixed points of light
- 5. any one of the very large groups of stars that make up the universe
- 8. A person trained to travel in a spacecraft.
- 9. any large heavenly body that orbits a star (as the sun)
Down
- 1. a small bright heavenly body that develops a cloudy tail as it moves in an orbit around the sun
- 3. the sun and the planets, asteroids, comets, and meteors that revolve around it
- 4. a heavenly body with such strong gravity that light cannot escape it and that is thought to be caused by the collapse of a massive star
- 6. A push or pull on an object when it interacts with another.
- 7. the heavenly body in our solar system whose light makes our day and around which the planets revolve