8th Edition by Chaisson, Verified Chapters 1 - 18, Complete
Newest Version
Because of tidal forces the moon is in a synchronous orbit around earth - ANSWER:
true
the largest planets also have the largest densities - ANSWER: false
the total mass of all the planets is much less than the mass of the sun - ANSWER:
true
Asteroids were recently formed by the collision and breakup of an object orbiting in
the asteroid belt. - ANSWER: false
Most comets have short periods and orbit close to the ecliptic plane. - ANSWER:
false
the solar system is of largely uniform composition - ANSWER: false
astroids, meteoroids, and comets are remnants of the early solar system - ANSWER:
true
Astronomers have no theoretical explanation for the "hot Jupiters" observed orbiting
some other stars. - ANSWER: false
If we were to construct an accurate scale model of the solar system on a football
field with the Sun at one end and Neptune at the other, the planet closest to the
center of the field would be - ANSWER: uranus
in the leading theory of the solar system formation, the planets were - ANSWER:
formed from the same flattened, swirling gas cloud that formed the sun
the solar system is differentiated because - ANSWER: only rocky and metallic
particles could form close to the Sun
water on earth was - ANSWER: transported here by comets
the number of confirmed exoplanets is - ANSWER: more than 500
astronomers have not yet reported any earth-like planets orbiting stars because -
ANSWER: they are not detectable with current technology
the habitable zone of a star twice as massive as the sun - ANSWER: is centered at
roughly 3 AU from the star
,according to the figure the temperature in the solar nebula is at the location now at
the center of the astroid belt is - ANSWER: 400 K
Lunar maria are extensive lava-flow regions - ANSWER: true
Except for the layer of air closest to Earth's surface, the ozone layer is the warmest
part of the atmosphere. - ANSWER: true
earths magnetic field is the result of our planets large permanently magnetized iron
core - ANSWER: false
Motion of the crustal plates is driven by convection in Earth's upper mantle. -
ANSWER: true
Volcanic activity continues today on the surface of the moon. - ANSWER: false
Like Earth, the Moon has a molten metal core. - ANSWER: false
if you were making a scale model of earth representing out planet by a 12 inch
basketball the inner core would be about the size of - ANSWER: a 2 inch golf ball
earths average density is about the same as that of - ANSWER: a chunk of black
volcanic rock
Sunlight absorbed by Earth's surface is reemitted in the form of - ANSWER: infrared
the deepest that geologists have drilled into earth is about the same as - ANSWER:
the altitude most commercial jet airplanes fly
If Earth had no Moon, then tides would - ANSWER: occur with the same frequency,
but would not be as strong
the most likely theory of the formation of the moon is that it - ANSWER: formed
from a collision of earth with a mars sized object
according to the figure earths atmosphere - ANSWER: the troposphere
the first figure in 5-2 shows that CO2 levels in the earths atmosphere began to rise
rapidly - ANSWER: in the mid 19th century
Mercury's solar day is longer than its solar year. - ANSWER: true
Numerous surface features on Venus can be seen in Earth-based images made in the
ultraviolet part of the spectrum. - ANSWER: false
Evidence of lava flows is common on the surface of Venus. - ANSWER: true
, There is strong circumstantial evidence that active volcanism continues on Venus. -
ANSWER: true
Mars has the largest volcanoes in the solar system. - ANSWER: true
there are many indications of past plate tectonics on mars - ANSWER: false
Valles Marineris is comparable in size to Earth's Grand Canyon. - ANSWER: false
Mercury's large overall density suggests that the planet - ANSWER: has a dense
metal core
Venus's surface is permanently obscured by clouds. As a result, the surface has been
studied primarily by - ANSWER: orbiting satellites using rafar
compared with earth, venus has a level of plate tectonic activity that is - ANSWER:
virtually nonexistent
Venus's atmospheric temperature is - ANSWER: hotter than temperatures on
Mercury
in terms of area, the extinct martian volcano olympus mons is about the size of -
ANSWER: colorado
in comparison to the atmosphere of venus, the vastly different atmospheric
character of mats is likely due to - ANSWER: a reverse greenhouse effect
in figure 6.3 planetary radar - ANSWER: the upper part of the planet
of the following the best evidence for the existence of liquid water on an ancient
mars is figure - ANSWER: 6.23
the solid surface of jupiter lies just below the cloud layers that are visible from earth
- ANSWER: false
Storms in the jovian planets' atmospheres are generally much longer lived than
storms on Earth. - ANSWER: true
the element helium plays an important role in producing saturns atmospheric colors
- ANSWER: false
Jupiter emits more energy than it receives from the Sun. - ANSWER: true
Although often referred to as a gaseous planet, Jupiter is mostly liquid in its interior.
- ANSWER: true