Patterns of Earth and Sky

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Across
  1. 2. a scientist who studies objects in the universe
  2. 7. an attempt to find out about something
  3. 8. the only star in our solar system
  4. 9. information that supports an answer to a question
  5. 12. a period of time that is 24 hours long
  6. 13. the pull between Earth and other objects
  7. 14. to move in a regular path around something
  8. 15. the length of time it takes for Earth to orbit the sun once
Down
  1. 1. a huge object in space that gives off heat and light
  2. 3. description of how or why something works
  3. 4. scientists make them to answer questions about the world
  4. 5. something we observe to be similar over and over again
  5. 6. an arrangement of stars as seen from Earth
  6. 10. to make a mental picture using info from various sources
  7. 11. observations or measurements recorded in an investigation