Across
- 3. A man made or heavenly body that orbits around a larger object.
- 5. The name of the satellite that orbits the Earth.
- 6. SYSTEM The Sun and all of the bodies - planets, satellites, asteroids, comets, etc. that orbit around it.
- 7. Large bodies that can only be seen by reflected light, as the revolve around the Sun.
- 9. A hole created on the surface of an object or body, made by falling meteorites or by erupting volcanoes.
- 11. The study of the universe and all of the bodies that appear in the skies.
- 13. BELT The area between the inner and outer planets that is filled with asteroids.
- 14. A force that attracts and holds the universe together. It gives objects weight.
- 15. When a meteoroid enters the Earth's atmosphere, creating a bright streaky light.
Down
- 1. YEAR The distance light travels in a year.
- 2. Either the north or the south half of the Earth divided by the equator, and the east and west half divided by the prime meridian.
- 4. An imaginary circle around that centre of the Earth, perpendicular to the axis of rotation.
- 8. ECLIPSE When the moon moves into the Earth's shadow.
- 10. To determine, check or adjust a scale of any measuring instrument.
- 12. A spiral island of stars in space. Our ______ is called the Milky Way.