29.3 Flashcards

1
Q

how many days does it take the moon ro revolve around the earth

A

27.3

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2
Q

a complete luar phase cycle takes 29.5 days what is it called

A

synodic month

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3
Q

do we ever see the back side of the moon

A

no

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4
Q

what causes a tide to rise or fall

A

gravitational pulls of sun and moon

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5
Q

what is the rise in sea level called

A

high tide

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6
Q

after the sea level rises how many hours does it take for the sea level to drop

A

about 6 hours

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7
Q

which is further from the earth sun or moon

A

sun

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8
Q

does the moon or sun cause a greater effect on earths level drop

A

sun

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9
Q

how are the sun the earth and the moo aligned for a spring tides

A

sun earth moon

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10
Q

how are the sun earth and the moon aligned for a neap tide

A

l 90 degree anles

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11
Q

what does the phases of the moon you see depend on

A

moon earth and the sun relative to one another

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12
Q

when does the moon occur

A

what the moon is between areth and sun

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13
Q

how many phases of the moon are there

A

8

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14
Q

what is the definition of waxing phases

A

moon becomes more reflective

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15
Q

what is the definition of waning phases

A

decreases less and less

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16
Q

name moon phases

A

new moon,waxing cresent, 1 quarter waxing current new 3 quarter

17
Q

where is the word month derived from

18
Q

how is the earth moon and sun aligned during a solar eclipse

A

sun moon earth

19
Q

what is an umbra

A

dark central spot

20
Q

what ius a penumbra

A

Parsifal eclipse

21
Q

how is the earth sun and moon aligned during an lunar eclipse

A

earth is between sun and moon

22
Q

how are the depressions on the moon formed

A

carders menders asteroids

23
Q

how there mountains on the moon

24
Q

which side on the moon is thicker

25
is the mantle of the moon a solid or a liquid
solid
26
what is the clementine spa craft do
mineral content of rocks, comforted thickness of crust
27
what did the lunar prospector do
take surface pics of moon moon had small iron rich core collected evidence of water ice on moon
28
what ius the gaint impact