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sun-moon-earth flash

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QuestionAnswer
axis an imaginary straight line around which the Earth spins once per day
rotation earth spinning on it's axis
penumbra the shadow cast by the earth or moon over an area experiencing a partial eclipse.
waning when it is in the phase in which its visible surface area is getting smaller
third quarter the moon has completed 3/4 of its orbit around the earth. pretty much just a half moon
ellipse an oval. the shape of earth's orbit around the sun
lunar eclipse when earth crosses between the moon and the sun, which casts a shadow of earth onto the moon
equinox when day and night are the same length. (happens two times per year)
new moon when the moon is on the same side of earth as the sun. occurs during a solar eclipse.
gibbous a certain phase of the moon, when it's bulging outward but isn't quite full
orbit repeating path that one object in space takes around another one-- the path for earth's revolution
solar eclipse when the moon comes between the earth and sun, blocking the sun and creating a shadow on earth.
solstice where the sun appears to reach either its highest or lowest point in the sky
full moon the moon phase where the entire moon is visible to earth
tides the rise and fall of the ocean's levels, caused by the moons gravitational pull on earth
revolution to move in a circular or curving course or orbit. earth revolves around the sun and the moon revolves around earth.
umbra the darkest part of the shadow that is cast in a lunar eclipse
waxing a moon phase where the moon's visibility is getting bigger
first quarter the phase halfway between the new moon and the full moon
Created by: user-1828751
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