29.3 Flashcards
tide
a rise or fall in the ocean surface
moon phase
reflects the change in appearance of the moon as seen from earth
solar eclipse
occurs when the moon moves directly between the sun and earth and casts a shadow on earth
lunar eclipse
occurs when earth passes between the sun and the moon and casts a shadow on the moon
maria
the dark colored flat lava filled reigons on the moons surface
regolith
a layer of dusty lunar material produced by collisions between asteroids and comets and the moon
how many days does it take the moon to revolve around earth
27.3 days
a complete lunar phase cycle takes 29.5 days, what is this called
synodic month
do we ever see the back side of the moon
no
what causes a tide to rise or fall
sun and the moon
what is the rise of sea level called
a hugh tide
after the sea level rises how many hours does it take for the sea level drop
about 6 hours
which is farther from earth, the sun or the moon
the sun
does the moon or the sun cause a greater effect on earths tides
how are the sun,the earth, and the moon aligned for a spring tide
how are the sun the earth and the moon aligned for a neap death
90 degree angle in the north and south
what does the phase of the moon you see depend on
depends on the positions on the moon earth and the sun relative to one another
when does a new moon occur
when the moon is between the earth and the sun
how many phases of the moon are there
8 phases
what is the definition of waxing phases
what is the definition of wanning phases
what are the moon phase names
new moon,waxing cresent, first quarter, waxing gibbous, full moon, waning gibbous, 3rd quarter, wanning crecent, new moon
where is the word month derived from
how is the earth moon and sun aligned during a solar eclipse
what is an umbra
what is a penumbra
a parcial solar eclipse
how is the earth moon and sun aligned during a lunar eclipse
how are the depressions on the moon formed
meteorites,asteroids,and comets
are there mountains on the moon
yes
which side of the moon is thicker
the dark side of the moon
is the mantle of the moon a solid or a liquid
solid
what did the clementine spacecraft do
it confirmed the thickness of the crust on the moon and it provided information on the mineral content of moon rocks
what did the lunar prospector do
it took pictures of the surface of the moon, confirmed that the moon has a small iron rich core, and has collected evidence that supports the presence of water-ice on the moon
what is the giant impact theory
