Sun, Earth, Moon System

10 terms by duvalawo

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ecliptic

the path in which the earth orbits the sun

summer solstice

sun is directly over the tropic of cancer, 1st day of summer

winter solstice

sun is directly overhead at the tropic of capricorn, 1st day of winter

autumnal equinox

sun is directly overhead at the equator, 1st day of fall

vernal equinox

sun is directly overhead at the equator, 1st day of spring

synchronous rotation

when the rotation and revolution are the same

solar eclipse

the moon blocks the sun from the earth

lunar eclipse

the earth's shadow falls on the moon

perigee

closest point in the moon's orbit around earth

apogee

furthest point in the moon's orbit around earth

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