Our Place in Space

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Across
  1. 6. When your side of the Earth has rotated away from the sun.
  2. 7. Imaginary revolving canopy of Earth containing all the constellations
  3. 8. When a hemisphere of the Earth is tilted most away from the Sun.
  4. 10. The name of our solar system's star.
  5. 11. Brightest star in the Orion constellation
  6. 13. One revolution of the Earth
  7. 14. The name of Earth's Moon: The ______.
  8. 16. 12 hours of light and 12 hours of darkness. When the sun is in line on its ecliptic orbit with the celestial equator.
  9. 17. longest or shortest day of the year when the Sun is the highest or lowest in the sky.
  10. 18. How long it takes Earth to return to face the stars in the same direction as they were the night before.
  11. 19. One rotation of the Earth
Down
  1. 1. The name of our galaxy.
  2. 2. All of the existing matter and space. The ____.
  3. 3. groups of stars in the sky that our ancestors connected together to make images.
  4. 4. The distance light travels in a year. Used to measure long distances in space.
  5. 5. Apparent path on the celestial sphere the Sun takes throughout the course of a year.
  6. 9. Bright star closest to the north celestial pole
  7. 12. When a hemisphere of the Earth is tilted most toward the Sun.
  8. 15. A single spin of an object.
  9. 17. How long it takes Earth to return to face the Sun in the same direction as it was the day before.