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Earth in Space

Study for your quiz on Earth in Space

TermDefinition
Axis The line passing through Earth's center and poles.
Rotation Movement of Earth around its axis.
Revolution Movement of Earth around the sun.
Orbit The path of Earth as it revolves around the sun.
Calendar defines the beginning, length, and division of a year.
Solstices When the sun is farthest north or south of the equator. We either have longer days (summer) or shorter days (winter).
Equinoxes When the noon sun is directly overhead at the equator. Days and nights will have the same amount of time. (fall and spring )
What gives us seasons? The Earths tilt and revolution around the sun.
One revolution around the sun = One year (365 days)
One rotation around Earths axis = One day (24 hours)
Southern Hemisphere Summer Solstice (December 21) Winter Solstice (June 21) Spring Equinox (September 22) Fall Equinox (March 21)
Northern Hemisphere Winter Solstice (December 21) Summer Solstice (June 21) Fall Equinox (September 22) Spring Equinox (March 21)
Created by: samir.ezzelarb
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