Science seasons crossword

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Across
  1. 1. a star in the northern circumpolar constellation of Ursa Minor
  2. 5. the time or date at which the sun reaches its maximum or minimum declination
  3. 7. the star around which the earth orbits
  4. 8. the time or date at which the sun crosses the celestial equator
  5. 9. an imaginary line drawn around the earth equally distant from both poles
  6. 11. each of the twelve named periods into which a year is divided
  7. 13. the angular distance of a place east or west
  8. 17. the movement of an object in a circular or elliptical course around another or about an axis or center
  9. 18. reaches the Earth's surface when there is no cloud cover between the sun and the Earth
  10. 19. the time taken by the earth to make one revolution around the sun
  11. 20. the degree or intensity of heat
  12. 21. another term for polaris
  13. 22. the time from sunset to sunrise
Down
  1. 2. the angular distance of a place north or south of the earth's equator
  2. 3. sunlight that either passes through a medium—a window shade or the leaves of a tree—or reflects off another surface before reaching a plant
  3. 4. a view or opinion that is incorrect because based on faulty thinking or understanding
  4. 6. in the opposite direction to the way in which the hands of a clock move around
  5. 10. an imaginary line about which a body rotates
  6. 12. a phenomenon where the nighttime lasts for more than 24
  7. 14. the curved path of a celestial object or spacecraft around a star, planet, or moon
  8. 15. the time between sunrise and sunset
  9. 16. the planet on which we live