Earth's Orbital Movement

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Across
  1. 2. Determines the strength of its gravitational attraction to other bodies.
  2. 5. Twice each year when the sun crosses the equator, when day and night are of approximately equal length (about September 22 and March 20).
  3. 8. The spinning of planet Earth around its own axis where a complete orbit is 1 day.
  4. 9. An imaginary line about which a body rotates.
  5. 10. Twice each year when the sun reaches its maximum or minimum declination, resulting in the longest and shortest days of the year(about June 21 and December 22).
Down
  1. 1. The force that attracts a body toward the center of any other physical body having mass.
  2. 3. The movement of the Earth around the Sun in a fixed path where a complete orbit takes 365.256 days.
  3. 4. The star at the center of the Solar System.
  4. 6. An imaginary line located at 0 degrees latitude, halfway between the North and South poles.
  5. 7. A regular, repeating path that one object in space takes around something.