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earth, sun, moon

QuestionAnswer
rotation A turning around as on an axis
revolution When an object orbits another object
axis A imaginary line which an object rotates on
equator An imaginary line drawn around the earth equally distant from both poles An imaginary line drawn around the earth equally distant from north pole to south pole
tilt Occurs when a planet rotates around an axis that is tilted relative to the plane of its revolution around a larger object.
hemisphere A half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles
lunar cycle The cycle of changes the moon goes through
waxing when a moon is getting fuller and going towards a full moon
waning when a moon is getting thinner an going toward a new moon
crescent moon The figure of the moon as it appears in its first or last quarter
solar eclipse when the moon passes between the sun and the earth
gibbous moon when we can see 3/4 of the moons surface
full moon when the moon's surface is in total light and is seen as an entire circle
first quarter phase between the new and full moon where half of the moon is lit up on the right side
third(last)quarter phase between the new and full moon where half of the moon is lit up on the left side
new moon when the moon is completely in darkness
ocean tide the rise and fall of sea levels caused by the combined effects of the gravitational forces by the Moon and the Sun and the rotation of the Earth
high tide a tide when its at its highest point
low tide a tide when its at its lowest point
spring tide tide just after a new or full moon
neap tide tide occurring at the first and third quarters of the moon
lunar eclipse An eclipse where the moon appears darkened as it passes into the earth's shadow.
Created by: ironmanxoxoxo
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