Sky Science Vocabulary

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