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Earth-Moon-Sun

physical properties of the Earth-Moon-Sun system

QuestionAnswer
axis imaginary line around which a planet spins
ellipse elongated, closed curve that describes the orbit of planets about the sun
equinox when the sun is directly over the equator; number of daylight and nighttime hours are equal worldwide
full moon phase of the moon when the sun, earth, moon are in line and all of the Moon's surface facing the Earth reflect light
impact basin hollow left on the surface of the Moon caused by an object striking its surface
lunar eclipse when the moon passes through the earth's shadow
maria ancient lava flows on the Moon's surface
moon phase changes in the appearance of the Moon as seen from the Earth, due to the relative positions of the Moon, Earth and Sun
new moon phase when the moon can not be seen from the earth because all of the lighted half is facing the Sun
revolution an orbit about another astronomical body
rotation spin on axis, causes day & night on the Earth
solar eclipse when the Moon's shadow passes over the Earth blocking all or part of the sun
solstice when the sun is at its greatest distance north or south of the equator
sphere an object whose surface is the same distance form its center at all points
waning visible lighted side of the Moon seems to grow smaller; phase after full moon
waxing visible lighted side of the Moon appears to grow larger; phase after new moon
Created by: bsnellin
Popular Earth Science sets

 

 



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