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45 True/False questions

(SA) would certainly an observer on Mercury view the Sun increase in the east or the west? → many of the time, the sunlight would appear to move east to west from Mercury"s surface. Close to perihelion, however, the sunlight goes into retrograde because that a few days and also moves west come east.

You are watching: Mercury experiences extreme high and low temperatures between night and day because:

True False

(SA) said the development of Mercury"s scarps to its differentiation. → its large average density and also its magnetic field

True False together Mercury was molten, the thick iron and nickel sank come the core. But smaller Mercury cooled much much faster than larger Earth and also Venus, so together its main point cooled, it additionally contracted as it solidified. The crust above wrinkled and also formed the scarps as result of this shrinkage." type="hidden">

Moonquakes on the Moon were detected by: → the interior cooling and shrinking.

True False the seismographs left there by the Apollo astronauts." type="hidden">

To measure how Mercury spins, astronomers sent ________ to Mercury and also used the Doppler change to determine how rapid it to be rotating. → radar beams

True False

The scarps ~ above Mercury to be probably resulted in by → the seismographs left there by the Apollo astronauts.

True False the inner cooling and also shrinking." type="hidden">

Mercury"s evolution was various from the Moon"s because: → dense Mercury had an iron core that shrank, developing the lobate scarps.

True False

The spacecraft which expose the opportunity of lunar ice cream are: → rilles linked with lava operation accompanying the mare formation

True False Clementine and also Lunar Prospector." type="hidden">

(SA) how is it possible for Mercury and also the Moon to have water ice at your poles? → many of the time, the sunlight would appear to move eastern to west indigenous Mercury"s surface. Close to perihelion, however, the sunlight goes right into retrograde for a couple of days and moves west come east.

True False Shadows at the bottom that craters keep sunlight from hitting the ground, for this reason the temperature has always been low enough that ice there has actually never vaporized and escaped, or that come in v impacting comets and asteroids." type="hidden">

What reasons Mercury"s 3:2 spin-orbit resonance? → the planet"s closeness to the Sun, the planet"s high density, tidal torques operating on the planet, the planet"s an extremely eccentric orbit; every one of the above are factors.

True False

(SA) Why to be the discovery of a comprehensive magnetic field about Mercury a surprise? just how was the detected? → In the close passes by Mercury, Mariner 10 discovered a field that is lot stronger than Mercury"s very slow rotation would have actually led us to intend with the dynamo theory.

True False

What is true of the lunar highlands? → an ext rugged, greatly cratered , and older 보다 the lunar mare.

True False They are the oldest component of the lunar surface." type="hidden">

Which of this theories seems to ideal explain the Moon"s origin? → influence Theory

True False

Mercury gift the same side come the sunlight → the seismographs left over there by the Apollo astronauts.

True False every other orbit" type="hidden">

What are the significant factors that rule out the co-formation concept for the Moon-Earth system? → Mercury is always very close to the Sun.

True False each body has a various density and a different chemical composition." type="hidden">

Mercury experiences extreme high and also low temperatures between night and day because: → it has no setting to center temperatures end the globe.

True False

The lunar mare room radioactively dated at: → 3.9-3.2 billion year old, developing after many of the bombardment was over.

True False

Mercury is an extremely hard to observe from earth because: → every various other orbit

True False it never gets much more than 28 degrees from the Sun's glare." type="hidden">

The visibility of a Mercurian magnetic field surprised the planetary researchers on the Mariner 10 team since → the is 1/100th as strong as ours, but does deflect the solar wind to part degree.

True False the dynamo concept predicted the Mercury was spinning too gradually for one." type="hidden">

Mercury"s Caloris container is suitably named, since: → the lunar much side

True False that is the sexy region, transforming to confront the Sun once Mercury is at perihelion" type="hidden">

One of the impacts of Mercury"s an extremely slow turn is → Both it seems ~ to have actually ice pockets in the deepest, darkest crater floors.

True False excessive variations in its surface ar temperature." type="hidden">

Mercury"s surface most resembles i m sorry of these? → moon

True False the lunar far side" type="hidden">

Mercury"s surface many resembles that of which other body? → moon

True False

Which of these would support the capture theory that the Moon"s origin? → the retrograde orbit and huge orbital inclination the Neptune"s moon Triton

True False

The best way to discover the exact distance come the Moon is to: → bounce lasers off the retroreflectors left ~ above the surface ar by the Apollo landings.

True False

Which form of attribute is the ideal evidence of lunar volcanism? → They are the oldest part of the lunar surface.

True False rilles linked with lava operation accompanying the mare formation" type="hidden">

How room the polar areas of Mercury and also the Moon similar? → Both it seems ~ to have actually ice pockets in the deepest, darkest crater floors.

True False

What is the factor that it is so challenging to view Mercury native Earth? → Mercury is always very close to the Sun.

True False

The lunar mare are found: → more rugged, greatly cratered , and also older 보다 the lunar mare.

True False nearly entirely on planet side, wherein the crust was thinner." type="hidden">

Mercury and the Moon appear similar, but we note that: → the seismographs left over there by the Apollo astronauts.

True False Mercury walk not always keep the same face toward the Sun, while the Moon does have actually the Earthside constantly facing us., Mercury has "weird terrain" the contrary its substantial Caloris basin., the lunar mare room darker than Mercury's intercrater plains., Mercury has actually striking lobate scarps because of the shrinking the its core.; every one of the over are correct." type="hidden">

How walk Mercury"s rotation relate to the Sun? → that is 1/100th as strong as ours, but does direction the solar wind to some degree.

True False its rotation price is 2/3 as long as its year, due to tidal resonances." type="hidden">

What do moonquakes reveal around the Moon? → They are the oldest component of the lunar surface.

True False that is small, partly molten core has been pulled towards us by tidal forces." type="hidden">

What two properties that Mercury imply that it is differentiated? → together Mercury to be molten, the dense iron and nickel sank come the core. Yet smaller Mercury cooled much much faster than bigger Earth and Venus, so as its main point cooled, it likewise contracted together it solidified. The crust over wrinkled and formed the scarps as result of this shrinkage.

True False its huge average density and its magnetic field" type="hidden">

The Moon"s huge Mare Orientale basin has a twin on Mercury named: → Caloris.

True False

How do the settings of the Moon and also Mercury compare? → neither body has actually a irreversible atmosphere.

True False

Which statement about the rotations that the Moon and Mercury is FALSE? → neither body has actually a permanent atmosphere.

True False favor our Moon, Mercury go not turn at all, keeping the exact same side dealing with the Sun." type="hidden">

The youngest attributes visible with telescopes on the Moon are: → the rain the micrometeorites chewing up the regolith.

True False the craters sit atop the mare." type="hidden">

Which of the adhering to is no a factor in determining even if it is a body in the solar device retains an atmosphere? → rotation rate

True False

In size, Mercury is intermediate between: → nearly entirely on planet side, wherein the crust to be thinner.

True False the Moon and also Mars." type="hidden">

How does Mercury"s magnetic ar compare come our own? → that is 1/100th as solid as ours, but does deflect the solar wind to part degree.

True False

The price of cratering in the lunar highlands mirrors us that → They space the oldest part of the lunar surface.

True False they range from 4.6 - 4.4 billion years old, on average." type="hidden">

The lunar highlands are: → nearly entirely on earth side, wherein the crust to be thinner.

True False much more rugged, greatly cratered , and older 보다 the lunar mare." type="hidden">

(SA) What is the primary source of erosion top top the Moon? Why does readjust there take it so long? → A constant fall that meteoroids from an are pelts the moon, pulverizing the surface with small craters. But really large impacts are rare, and also these microscopic alters take a long time to present up as viewed from Earth. Ours erosive agents choose wind, water, and ice have the right to make much more dramatic alters in quick periods the time, such as floods, sandstorms, glaciers, etc.

True False

What walk radar astronomers find in the polar regions of Mercury? → neither body has actually a long-term atmosphere.

True False water ice that never melts in the deep craters" type="hidden">

The chief erosive agent currently on the Moon is: → the rain that micrometeorites chewing up the regolith.

See more: In The Odyssey, Why Does Poseidon Despise Odysseus ? Why Is Poseidon Angry At Odysseus

True False

Both the Moon and Mercury space geologically inactive and have been that method for many of the history of the solar system. However, about 4 billion year ago, the is believed that → Mercury had an ext common volcanic activity than the Moon.