Celestial Objects

2. a celestial body that revolves around a planet
5. a celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior
7. a star and the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it
11. the region between the inner and outer planets where most asteroids orbit the Sun
13. a natural chunk of rock or dust existing outside Earth's atmosphere
15. a celestial body of ice, dust, and rock with an elongated and elliptical orbit
16. objects that are located in space
18. a natural or artificial body in orbit around a planet

1. large and small rocks or metallic masses orbiting the Sun
3. planets the planets Jupiter, Saturn, Uranus, and Neptune, whose orbit lie beyond the asteroid belt
4. a curved path followed by a satellite as it revolves around an object
6. a large celestial body that revolves around a star in a solar system
8. a group of interacting, interrelated, or interdependent elements forming a complex whole
9. remains of a meteoroid that strike the surface of a planet or moon
10. the force that causes objects with mass to attract to one another
12. the luminous star around which Earth and other planets revolve; composed mainly of hydrogen and helium
13. a small object that enters Earth's atmosphere from space and burns due to friction, emitting light
14. the rocky, terrestrial planets Mercury, Venus, Earth, and Mars, whose orbits are inside the asteroid belt
15. glowing, heated dust and vaporized gas that surrounds the icy comet nucleus as it travels near the Sun
17. on or of Earth