Across
- 2. a very large structure that is made of billions of stars and planets
- 7. an object that can create its own light
- 8. an orbiting device that is used to take pictures of very distant objects in space
- 10. an object that has an irregular orbit, has not cleared its orbit of debris, or does not have enough gravity to form a spherical shape
- 12. an object that cannot create it own light and orbits a planet
Down
- 1. a large gaseous object that formed from an exploding star and will be the birthplace of new stars
- 3. an object that is made of rock and metal, they are usually small
- 4. an orbiting device that can be used to take pictures, monitor weather, and provide communication
- 5. an astronomical object comprised of a star and other orbiting objects such as planets
- 6. a mobile robot that is used to conduct scientific measurements and experiments on the surface of other planets or moons
- 8. an orbiting lab located in space where astronauts conduct experiments
- 9. an object that is made of ice and dust and develops a "tail" as it approaches the sun in its orbit
- 11. an object that cannot create its own light and orbits a star