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14 Cards in this Set

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accretion
the porcess whereby dust and gas accumulated into larger bodies like stars and planets
spring tide
the tides of increased range (high tides higher, low tides lower) occuring semimonthly near the times of full Moon and new Moon
neap tide
the tides of decresed range (high tides lower, low tides higher) ocurring semimonthly near the times of the first and last quarter of the Moon
Luna 10
first probe to orbit the moon
Apollo 8
first space shuttle to carry men around the moon (December 24, 1968)
Luna 15
scooped up soil and returned to Earth for analysis
Apollo 11
fist space shuttle that landed men on the moon (July 1969)
basalt
basic earth rock that is almost identical to the type of rock on the Moon
Apollo 17
the last for men to walk on the Moon
diurnal
areas that have one high tide and one low tide of the same height
semidiurnal
areas that experience two high and low tides of the same height
mixed
areas that have two high and low tides that have significantly different heights
Marias
largest impact feature on Moon (seas of tranquility)
regolith
dusty surface covering on Moon