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4.3 – Earth’s Revolution

Revolution. Earth’s movement or orbit around the sun Takes 365 days or 1 year to make one complete revolution. 4.3 – Earth’s Revolution. Elliptical. Earth’s orbit is elliptical (oval shaped) Earth is closer to the sun at certain points of it’s orbit. Aphelion Perihelion.

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4.3 – Earth’s Revolution

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  1. Revolution Earth’s movement or orbit around the sun Takes 365 days or 1 year to make one complete revolution 4.3 – Earth’s Revolution

  2. Elliptical Earth’s orbit is elliptical (oval shaped) Earth is closer to the sun at certain points of it’s orbit

  3. Aphelion Perihelion Earth is farthest from sun in its orbit Earth is closest to the sun in its orbit

  4. Parallax Evidence the Earth is revolving around the sun Stars seem to change position throughout the course of the year – look closer or father away ACTUALLY!! Earth is moving – not the star

  5. Seasons Spring Summer Fall Winter

  6. Summer Solstice June 21 First day of summer

  7. Winter Solstice Dec 21 First day of Winter

  8. Vernal Equinox Autumnal Equinox Mar 21 – 1st day of Spring Sept 21 – first day of fall

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