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8th- Moon

TermDefinition
perigee the point in the Moon's elliptical orbit that is closest to Earth
apogee the point in the Moon's elliptical orbit that is farthest to Earth
moon a rocky object that orbits a planet
new moon when the Moon is between the Earth and Sun and none of the light side of the Moon is visible
waxing the light of the phase of the Moon is on the right
waning the light of the phase of the Moon is on the left
waxing crescent a toenail shaped area on the right of the Moon is lit
first quarter also called a waxing half; the right half of the Moon is lit
waxing gibbous an egg shaped area on the right of the Moon is lit
full moon when the Earth is between the Sun and Moon and the entire light side of the Moon is visible
waning gibbous an egg shaped area on the left of the Moon is lit
third quarter also called a waning half; the left half of the Moon is lit
waning crescent a toenail shaped area on the left of the Moon is lit
total lunar eclipse the Moon falls into the umbra of the Earth's shadow and none of it is visible; occurs during the full moon phase
partial lunar eclipse the Moon falls into the penumbra of the Earth's shadow and some of it is visible; occurs during the full moon phase
total solar eclipse the Moon crosses exactly in front of the Sun and casts a shadow (umbra) on the surface of the Earth
partial solar eclipse the Moon crosses somewhat in front of the Sun and casts a shadow (penumba) on the surface of the Earth
high tide happens twice a day; when the level of oceans is highest during the day
low tide happens twice a day; when the level of oceans is lowest during the day
spring tide the highest high tides that occur twice a month when the Earth, Moon, and Sun are aligned
neap tide the lowest low tides that occur twice a month when the Earth, Moon, and Sun form a right angle
Created by: holtzmanscience
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