Patterns of Earth and Sky 1

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Across
  1. 3. How long it takes Earth to orbit the Sun
  2. 5. Spring, summer, winter, and fall
  3. 8. Person who studies stars, planets, galaxies
  4. 13. to move in a circle around another object
  5. 14. A group of stars that form a picture
  6. 16. An illustration that shows how something works
Down
  1. 1. The shape of Earth
  2. 2. The distance light travels in a year
  3. 4. Someone who travels into outer space
  4. 6. The star closest to Earth
  5. 7. How long it takes for Earth to rotate on its axis
  6. 9. The planet we live on
  7. 10. Something that orbits the Earth
  8. 11. system The sun, moon, and planets that orbit the sun.
  9. 12. The distance across a circle
  10. 15. Measurements recorded in a science experiment