Astronomy Unit 3

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Across
  1. 2. Sun shines on the equator, occurs twice a year, “equal night”
  2. 3. A Longitude line that runs through Greenwich, England; 0 degrees
  3. 6. Turning around another object (1 Earth revolution = 365 1/4 days)
  4. 7. Lines that runs north/south on the globe. (Ex: Prime Meridian)
  5. 9. Turning on an axis (1 Earth rotation = 24 hours)
  6. 11. Winter & Summer; Sun's rays directing on the Tropics
  7. 12. A Line that runs from east/west on the globe. (Ex:Equator.)
  8. 15. First day of winter, shortest day of sunlight, and sun shines on the Tropic of Capricorn
  9. 16. First day of Spring, equal daylight and night time, and sun shines on the Equator
  10. 17. Autumn & Spring ; The Sun rays are directed on the Equator giving equal amounts of daylight and darkness
Down
  1. 1. First day of Autumn, equal daylight and night time, and sun shines on the Equator
  2. 4. The long of longitude where each day begins; 180 degrees
  3. 5. The position of Earth around the sun
  4. 8. Line of latitude in the southern/northern hemisphere; 23.5 Degrees
  5. 10. An Imaginary line through the center of the Earth or another planet
  6. 11. First day of Summer, longest day of sunlight, and sun shines on the Tropic of Cancer
  7. 13. The study of galaxies, stars, planet, and other celestial objects.
  8. 14. Sun shines on a tropic, depending on tilt and revolution during the year, “sun stands still”