Upgrade to remove ads
chapter 17: moon and small solar system bodies study guide
Terms in this set (47)
because of its ______ and ______ _________ the moon appears to us as the _______ - brightest object in the sky.
size, relative closeness, 2nd
the average distance of the moon from earth is __________, a travel time of approximately ___________.
380000 km, 72 hours
the first humans landed on the moon on what date?
July 20th 1969
Who was the last man to walk on the moon?
Our moon is the ______ largest moon in the solar system and is nearly _________ with a diameter of ________.
5th, spherical, 3476 km
the average density of the moon is
the average density of the earth is
the surface gravity of the moon is _______ of the earth.
if a person weighs 175 lbs. on earth, how much would that person weigh on the moon?
the moon's most prominent surface features are its
craters, mountain ranges, rails, highlands
the best-known feature of the moon's surface is the crater which means "______"
The craters on the moon were caused by the impact of
the far side of the moon has more ______ than the near side.
the floors of larger craters are flattened and form ________.
the largest known multi-ring basin in the solar system is called the ______ _____ _______.
South Pole Aitkins
Plains, or Maria were formed by
impacts of huge objects from space and later filled with lava.
Rays are believed to be
pulverized rock that was thrown out when the crater was formed.
one of the largest ray craters is
rills are caused by
a brake or fracture in the surface of a planet or moon along which movement has occured is called a ______.
the oldest moon rocks are about ___________ years old.
the astronauts collected _______ lbs of lunar material.
the moon revolves __________ around the earth in an ________ orbit, making one revolution in a little over ______ days. this is called a __________ month.
eastward, eliptical, 29.5, sydonic
a _______ month is a little over ______ days.
the moons orbital plane is tilted at an angle of approximately ____ degrees with respect to the earth's orbital plane.
because the moons's periods of rotation and revolution are the same, on earth we see ___________________________________________.
only 1 side of the moon.
the starting point for the moon's month of phases is arbitrarily taken to be its ____ _______.
a new phase occurs when the moon is positioned between _________________________.
the earth and the sun.
the ____ _____ actually occurs only an instant
In exactly 14 days after a full moon, one would see a _____ _________ _____.
waning crescent moon
_______ is a region of total darkness
_________ is a region of partial shadow.
a _____ ______ _______ occurs when there is a new phase, the sun's surface is blocked because the earth, moon, and sun must be in a nearly straight line.
total solar eclipse
a ________ _____ ________ occurs when the moon is near or at full phase and is in or near the eliptic plane
partial solar eclipse
an _______ _______ is a solar eclipse in which the moon blocks out all the sun except a ring outside the sun's outer edge.
a _____ ________ occurs when the moon is at or near full phase. the sun, earth, and moon must be in a straight line.
the moon rises ___ minutes later each day because it is going around the earth every _____ days and gains about ____ on the sun in that time.
50, 29.5, 360 degrees
how many terrestrial moons are there?
moons are Mars are believed to be
essay question: why do high tides and low tides occur daily?
caused by the moon's gravitational pull.
Essay Question: name and define 3 major surface features of the moon.
Features on the moon's surface include Maria craters and highlands.
Essay Question: why doesn't a solar eclipse occur each month?
because the earth's orbit around the sun is not in the same plane as the moon's orbit around the earth.
name 2 Jovian moons that are special interest to exo- biologists
Ganymede and Callisto.
Jupiter. Ice, liquid, water
Jupiter. largest moon in the solar system.
Saturn. rich in nitrogen.
Saturn's 6th largest moon.
You might also like...
w5 chp 3 learning curve
Chapter 10 The Sun Earth Moon System Jewel
Chapter 23 The Sun Earth Moon System
Other sets by this creator
bio final exam study guide
bio ch.10, 11, 12
Other Quizlet sets
Psych 361 Final
Science exam 2012
Bio 100 Test One Study Guide
HIST 1020 Exam 2 Review