Earth-Sun Relationships. Earth The Sun Star that is 93 million miles away from earth.

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Presentation transcript:

Earth-Sun Relationships

Earth

The Sun Star that is 93 million miles away from earth

Rotation causes day and night. Spinning of the Earth on its imaginary axis. 24 hours

The revolution of the Earth around the sun 365 ¼ days Seasons due to its tilt during revolution (23.5 degrees).

A - Summer in the Northern Hemisphere B - Summer in the Southern Hemisphere

Solstices Twice a year, when the tilt of the Earth's is directly towards or away from the Sun Winter Solstice - December 21 - beginning of winter. Summer Solstice -June 21 - beginning of summer

Equinoxes Sunlight strikes the earth most directly at the equator. Spring Equinox - March 21 Fall Equinox - September 23

The Four Seasons: The Effect of the Tilt of Earth’s Rotation Axis

Affected by relative position of the sun and the Earth 1.Climate 2.Seasons 3.Day and Night