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Lecture 5 Moon
cambridge Lang
14
Astronomy
Undergraduate 1
10/25/2009

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Cards

Term
lunar eclipse
Definition
red moon in earths shadow
sun, earth, moon
Term
solar eclipse
Definition
sun, moon, earth
Term
harvest moon
Definition
extra light at night
Term
blue moon
Definition
2 full moons in 1 month
Term
surface features of near side of moon
Definition
highlands : light, cratered
maria: dark,
mountains rim giant impact basins
Term
earthquakes and core of moon
Definition
small core = little force
Term
maria
Definition
moon
dark, smooth
crater from impact filled with lava
Term
lunar surface age
Definition
3-4 billion years old
Term
lunar magnetism
Definition
localized fossil magnetism
patchy in craters
Term
earth-moon relation
Definition
tides
lengthens earth days slowly
slowly moving apart
moon's orbital plane inclined to earth's equator
Term
origin
Definition
mars-size thing hit earth, particles grouped into moon, bombardment, maria fill with lava
Term
far side of moon
Definition
mostly highlands
Term
highlands
Definition
rugged cratered regions
Term
lunar rock composition
Definition
little iron, not same elemetns as earth
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