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1) Tilt of the Earth - inetTeacher.com

1) Tilt of the Earth - Earth is tilted at 23.5 degrees on its axis - This rotation is what caused day and night 2) Earth’s revolution around the sun - It takes 365.25 days for the Earth to make a complete revolution around the sun. Sub-solar point the point where the sun’s rays strike the earth at a 90 degree angle.