Across
- 3. A meteoroid that strikes a planet
- 5. a class of chemical compounds in living organisms that are based on carbon
- 6. an object that orbits the sun, and is nearly spherical in shape but shares its orbital path with other objects of similar size
- 8. a vehicle propelled by the exhaust made from burning fuel
- 9. a meteoroid that has entered the Earth's atmosphere and produces a light
- 10. any small object that orbits a larger object other than a star
Down
- 1. any human-made object placed in orbit around a body in space
- 2. an uncrewed spacecraft sent from Earth to explore objects in space
- 4. An object that orbits the sun, is large enough to be nearly spherical in shape, and has no other large object in its orbital path
- 7. A warm spring that sometimes ejects a jet of liquid water or water vapor into the air
- 11. The study of the origin, development, distribution, and future life on Earth and in the universe