Space

2. a broad band of light that stretches across the sky and is caused by the light of a very great number of faint stars
5. any of the heavenly bodies except planets which are visible at night and look like fixed points of light
7. is a small bright heavenly body that develops a cloudy tail as it moves in an orbit around the sun
8. 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
10. a small very dense star that is typically the size of a planet
13. the heavenly body in our solar system whose light makes our day and around which the planets revolve
14. any large heavenly body that orbits a star
15. one of the small pieces of matter in the solar system that enter the earth's atmosphere where friction may cause them to glow and form a streak of light

1. the sun and the planets, asteroids, comets, and meteors that revolve around it
3. is any one of the very large groups of stars that make up the universe
4. a unit of length in astronomy equal to the distance that light travels in one year or about 5.88 trillion miles
6. is one of thousands of rocky objects that move in orbits mostly between those of Mars and Jupiter and have diameters from a fraction of a mile to nearly 500 miles
9. is a heavenly body similar to a planet but too small to clear other objects from its orbit
11. a very large star of high luminosity and low surface temperature
12. a broad band of light that stretches across the sky and is caused by the light of a very great number of faint stars