Earth's Motion

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Across
  1. 3. The curved, repeating path that Earth follows as it travels around the Sun due to gravity
  2. 5. Plane The flat, disc-like surface that Earth’s orbit sits on as it circles the Sun.
  3. 6. The specific point in Earth’s elliptical orbit where it is farthest from the Sun
  4. 7. Year we add an extra day every four years to keep our calendar
  5. 8. The spinning of Earth on its own axis; one full rotation takes approximately 24 hours (one day)
Down
  1. 1. Half of the Earth (Northern or Southern)
  2. 2. The specific point in Earth’s elliptical orbit where it is closest to the Sun
  3. 4. Tilt Earth’s axis is tilted at approximately 23.5° relative to its orbital plane.
  4. 5. Plane The flat, disc-like mathematical surface that contains Earth's orbit around the Sun
  5. 8. The movement of Earth as it travels around the Sun in its orbit.
  6. 9. The imaginary line running through the North and South Poles that Earth rotates around