29.3-4 Flashcards
How many days does it take the moon to revolve around the earth
27.3 days
a complete lunar phase cycle takes 29.5 days, what is it called
29.5 days/synodic month
do we ever see the back side of the moon
no, we never do
what causes a tide to rise and fall
gravitational pull of the sun and moon
what is the rise of sea level called
high tide
after the sea level rises, how many hours does it take to fall back down
6 hours
which is farther from the earth, the sun or moon
sun
does the moon or sun cause a greater effect on earths tides
moon
how are the sun, the earth, and the moon aligned for a spring tide
sun, earth, and moon in a straight line
how are the earth, sun, and moon aligned for a neap tide
sun, earth, and moon in a 90 degree angle
what does the phase of the moon you see depend on
the positions of the moon, earth, and sun relative to one another
when does a new moon occur
when the moon is between the sun and earth
how many phases of the moon are there
8 phases
what is the definition of the waxing phases
more illuminated with time
what is the definition of the waning phases
parts of the moon covered withshadow`
what are the moon phase names
new moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous, 3rd quarter, waning crescent
where is the word month derived from
moon
how is the earth, sun, and moon aligned during a solar eclipse
sun, moon, earth in a straight line
what is an umbra
total solar eclipse area
what is a penumbra
partial solar eclipse
how is the earth, sun, and moon aligned during a lunar eclipse
sun, earth, moon in a straight line
how are there depressions on the moon formed
meteors, astroids, comet hit the surface of the moon
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 space craft do
proved thickness of moons crust and mineral content of moon rocks
what did the lunar prospector do
took photos of moon, confirmed iron rich core, proved evidence of water-ice on the moon
what is the giant impact theory
moon formed when mars like object collided with earth, debris in orbit, condensing into the moon