Out of this World!

4. A moon, planet or machine that orbits a planet or star.
5. A cloud of interstellar gas and dust, or a Marvel character.
8. A small body of matter from outer space that enters the earth's atmosphere, often appearing as a streak of light.
9. When the light of the sun is blocked out by the moon.
11. All physical things are made up of this.
12. Ours is called The Mily Way.
13. System A group of planets circling a star.
14. What is the name of Earth's only natural satellite.
16. A minor planet—an object that is neither a true planet nor a comet—that orbits within the inner Solar System.
17. A celestial body moving in the sky, as distinguished from a fixed star.

1. A grouping of stars that makes up an image, to which definite names have been given.
2. Space The expanse that exists beyond Earth and its atmosphere and between celestial bodies.
3. What is the Sun?
6. All of space and time and their contents.
7. A rock that falls to Earth from space.
10. Cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
12. The force of attraction by which terrestrial bodies tend to fall toward the center of the earth.
15. Organization that flies us to Outer Space.