Satellites and Space

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Across
  1. 3. The path a planet takes around a star; or the path a planet takes around a planet
  2. 6. Galaxies and the spaces between them
  3. 7. Group of millions of stars
  4. 8. A natural satellite of a planet
  5. 10. A satellite that is used to transmit TV programmes or telephone calls.
  6. 15. A huge ball of gas that gives out heat and light
  7. 16. A space probe that lands on a moon or planet
  8. 17. Force of attraction between any two objects
  9. 19. Anything that orbits a planet or moon
  10. 20. The amount of force with which gravity pulls something towards the Earth, and is measured in newtons (N).
Down
  1. 1. A space probe that orbits around a planet or moon
  2. 2. An electromagnetic spectrum detectable by human eyes
  3. 4. An unmanned spacecraft used to explore other planets
  4. 5. An orbit where a satellite is above the equator and takes exactly 24 hours to circle the Earth, thus it always stays over the same part of the Earth.
  5. 9. An orbit where a satellite passes over the North and South Poles, and passes over all parts of Earth within several orbits
  6. 11. All the galaxies and the spaces between them
  7. 12. A man-made satellite
  8. 13. Unit of force
  9. 14. A planet's oval-shaped orbit around the sun
  10. 18. A large object like Earth that orbits a star