Astronomy Test 2 Questions

The moon's craters are caused by A. Space Exploration B. Earth's gravitation pull C. Water Erosion D. Meteoritic impact

D. Meteoritic impact

Mercury's cratered surface strongly resembles the? A. Pluto. B. Earth. C. Sun. D. Moon E. Milky Way.

D. Moon

Approximately how long is Mars' orbit around the sun, in Earth years? A. 1.88 Earth years B. 1 Earth year C. 4 Earth years D. 2.5 Earth years

A. 1.88 Earth years

What is the average density of the Earth? A. 5500kg/m3 B. 5400 kg/m3 C. 5300 kg/m3 D. 3900 kg/m3 E. 1330kg/m^3

A. 5500kg/m3

Mercury's most prominent geological feature is called: A. Caloris Basin B. Estructura novis C. Scarp D.) Oceans E.) None of the above

A. Caloris Basin

What is Venus' atmoshphere mostly composed of? A. Carbon Dioxide B. Oxygen C. Nitrogen D. Carbon Monoxide

A. Carbon Dioxide

Venus' sister planet is? A. Earth B. Moon C. Mercury D. Mars

A. Earth

What is the primary component of Jupiter's atmosphere? A. Hydrogen B. Helium C. Carbon Dioxide D. Oxygen

A. Hydrogen

This planet's temperature range is the greatest of any planet or moon in our solar system. A. Mercury B. Mars C.Venus D. Earth

A. Mercury

What is the smallest planet in the solar system? A. Mercury B. Venu C. Earth D. Mars

A. Mercury

Which of the following is the most abundant gas in the Earth's atmosphere? A. Nitrogen B. Oxygen C. Argon D. Carbon Dioxide

A. Nitrogen

Why does the Earth always face the same side of the Moon? A. The tidal gravitational interaction between the Earth and the Moon caused the Moon to have a synchronous orbit. B. That side of the Moon is magnetically attracted to the Earth. C. The other side of the Moon does face the Earth but only during the day when it cannot be seen. D. Because Earth's rotation is tidally locked with the Moon's rotation.

A. The tidal gravitational interaction between the Earth and the Moon caused the Moon to have a synchronous orbit.

Venus was thought to be a lush planet like Earth's before it was found to be an unhabitable desert. A. True B. False

A. True

In relation to the Earth, what is the radius of the moon? A. .26 B. .27 C. .28 D. .29

B. .27

How many satellites does Mars have? A. 0 B. 2 C. 1 D. 3

B. 2

How much cooler is Mars than Earth. A. 5K cooler than on Earth B. 50K cooler than on Earth C. 100 cooler than on Earth D. 1,000 cooler than on Earth

B. 50K cooler than on Earth

How long does it take, using current methods, to get to Mars from Earth? A. 9 days B. 8.5 months C. 3.5 years D. 6 months

B. 8.5 months

How high can the surface of Mercury reach? A. 750 F B. 800 F C. 800 C D. 950 F

B. 800 F

Mercury has A. No atmosphere B. A very thin atmosphere C. The thickest atmosphere in the solar system D. A thick atmosphere.

B. A very thin atmosphere

What large continent-sized formation is located on Venus's equator? A. Orientale Basin B. Aphrodite Terra C. Valles Marineris D. Ishtar Terra E. None of the above

B. Aphrodite Terra

What is the main component in Venus' atmosphere? A. Nitrogen B. Carbon Dioxide C. Oxygen D. Other

B. Carbon Dioxide

Which planet is Mars's period of a day the most similar to? A. Jupiter B. Earth C. Mercury D. Uranus

B. Earth

The innermost region of Earth is the mantle. A. True B. False

B. False

The distance at which the moon is spiraling away from Earth each year is equivalent to... A. Maple tree growth rates B. Fingernail growth rates C. Baylor growth rate D. None of the above

B. Fingernail growth rates

What is true about Venus' rotation on its axis? A. It is extremely tilted, causeing extreme seasonal changes B. It is clockwise, which is diferent from most other objects in the solar system C. Its rotation is the fastest of any planet D. It causes us to not be able to see all of Venus' surface

B. It is clockwise, which is diferent from most other objects in the solar system

Which of the following has the largest mass? A. Earth B. Jupiter C. Moon D. Mars

B. Jupiter

Which planet is on the furthest part of the Habitation zone that contains the tallest mountian in the Solar system? A. Neptune B. Mars C. Venus D. Pluto

B. Mars

Compared with Earth's density, the density of Jupiter is? A. Much greater B. Much less C. About the same D. A little less E. A little more

B. Much less

What is the term describing strength of the gravitational force at the body's surface? A. Escape Speed B. Surface Gravity C. Tidal Force D. Atmosphere

B. Surface Gravity

How is the interior of Jupiter so hot? A. It's so close to the sun B. The internal heating left over from formation C. Incoming asteroids D. Lack of a thick atmosphere

B. The internal heating left over from formation

What is another name for the synchronization of the Earth's rotation with the moon's motion? A. Synchronous B. Tidally Locked C. Tidal Forces D. Convection

B. Tidally Locked

The two doughnut-shaped zones of high-energy charged particles located in Earth's inner magnetosphere are called the __________. A. Plate tectonics B. Van Allen belts C. Magnetic Field Lines D. Highlands E. Differentiation

B. Van Allen belts

Which planet has a large, hot, iron rich core? A. Jupiter B. Venus C. Pluto D. Uranus

B. Venus

Photographic evidence reveals that _____ existed in great quantity on the Surface of Mars. A. Animals B. Water C. Plants D. Human life

B. Water

How strong is Mars's magnetic field? A. Mars has no magnetic field. B. Weak C. Strong D. Very strong.

B. Weak

What is the unusual movement of Jupiter referred to as? A. Retrograde Motion B. Slow Differential Rotation C. Slow movement D. Fast Differential Rotation

D. Fast Differential Rotation

The order of Earth's inner structure from the innermost to the outermost is: A. Crust, Mantle, Out Core, Inner Core B. Mantle, Inner Core, Outer Core, Crust C. Mantle, Outer Core, Crust, Inner Core D. Inner Core, Outer Core, Mantle, Crust

D. Inner Core, Outer Core, Mantle, Crust

Which one is the best description of the Moon? A. Interior - rocky core, metallic hydrogen B. The great red spot C. Interior-large hot iron rich core D. Interior - cool (relative to Earth's core) not iron rich. E. all above

D. Interior - cool (relative to Earth's core) not iron rich.

Mars gets its red appearance from the _______ on its surface. A. Blood B. Dust C. hematite D. Iron Oxide

D. Iron Oxide

Which of the following statements about Mercury is incorrect? A. Its lack of atmosphere is attributed to high surface temperature and low mass. B. Near its poles, the temperature remains low at all times. C. The first mission to Mercury was conducted by the spacecraft Mariner 10. D. It has 3 moons.

D. It has 3 moons; Mercury actually has 0 moons.

Mars has the largest__________ in our solar system? A. Number of craters B. Valley C. Dust storms D. Mountain E. Magnetic field

D. Mountain

Which of the following terrain features is not on Venus' surface? A. Maxwell Montes B. Aprhodite Terra C. Isthar Terra D. Olympus Mons

D. Olympus Mons

The northern hemisphere of Mars' surface is made up largely of what? A. Water B. Dust C. Alien bones D. Rolling volcanic plains E. Mountains and valleys

D. Rolling volcanic plains

What is the inner most core of the Earth made out of? A. Liquid iron-nickel B. Rock C. A rubbery material D. Solid iron-nickel

D. Solid iron-nickel

What type of planet is Venus? A) Terrestrial planet B) Gas giant C) Hydrogen planet D) Star-like planet

A) Terrestrial planet

The Moon is spiraling away from Earth at _____ per year. A. 1 inch B. 1 mile C. 1 kilometer D. 10 kilometers

A. 1 inch

The surface of the Moon A. at one time had running water B. has changed little in the past 2-3 billion years C. has an atmosphere similar to the Jovian planets D. acquired its present appearance about 100 million years ago E. All of the above

B. has changed little in the past 2-3 billion years

The current theory of the Moon's formation states that the Moon was created: A) 600 billion years ago B) 5,000,000 years ago C) 4.5 billion years ago D) 7 billion years ago

C) 4.5 billion years ago

Why can mountains on Mars be taller than mountains on the Earth? A) Mars has denser rocks B) Mars has been around longer and the mountains have had more time to grow C) Mars has less gravity than earth D) None of the above

C) Mars has less gravity than earth

What is the moons mass compared to earths? A. .593 B. .344 C. .012 D. .049 E. .134

C. .012

The radius of Mars is? A. .35 Earth's B. .5 Earth's C. .53 Earth's D. .73 Earth's

C. .53 Earth's

What is the radius of Jupiter (in terms of Earth radii)? A. 34 B. 23 C. 11 D. 99

C. 11

What is the radius of Earth? A.5000 km B. 3000 km C. 6400 km D. 6500 km

C. 6400 km

How many know moons does Jupiter have? A. 6 B. 20 C. 67 D. 35 E. None, Jupiter has no moons

C. 67

How many Mars does it take to fill the Earth? A. 50 B. 199 C. 8 D. 35

C. 8

Why might be the explanation for the anomalous rotation of Venus? A. Because of a collision with the Earth in the early days of their formations. B. Because of its strong gravitational pull. C. Because of a collision with an object much like one that hit Earth. D. Because of the impact of the gases in its atmosphere E. All of the above

C. Because of a collision with an object much like one that hit Earth. It is thought that some object collided with Venus much like the one that collided with Earth, in turn making the moon.

Each of the following is true about Venus and Earth except A. Both have similar masses and densities B. Both are terrestrial planets C. Both have magnetic fields D. Both feature volcanic activity

C. Both have magnetic fields

Which of the following was one of the first two men on the moon? A. Tycho Brahe B. Lance Armstrong C. Buzz Aldrin D. Galileo

C. Buzz Aldrin

Which of the following has a thin layer of least dense rocky material? A. Inner Core B. Mantle C. Crust D. Outer Core

C. Crust

What is the densest planet in our solar system? A. Mercury B. Venus C. Earth D. Jupiter E. None of the above

C. Earth

Mercury has similar densities to which of the following: A. Earth B. Venus C. Earth and Venus D. None of the above

C. Earth and Venus

Which of the following best describe the weather of Mars? A. Rainy B. Acid clouds C. Global dust storms D. Hail storms E. None of the above

C. Global dust storms

What is Mecury's surface/terrain created by? A. Frozen Water B. Wind Storms C. Impact Catering D. Falling Rocks

C. Impact Catering

Venus' surface temperature is so hot (730K) it can easily melt: A. Steel B. Gold C. Lead D. None of the above

C. Lead

Which one is not characteristic of Mars? A. Valles Mariners B. Polar Icecaps - Frozen water and carbon dioxide C. Maxwell Montes D. Red dust on the surface is Iron Oxide (rust) E. Olympus Mons - Shield volcano - largest mountain in the solar system

C. Maxwell Montes

The core of this planet makes up a larger portion than any other planet in the solar system.This hints the planet had a chaotic beginning. Which planet is this? A. Venus B. Mars C. Mercury D. Earth E. Saturn

C. Mercury

Mercury has many distinct features, what feature does it have that the moon does not? A.Craters B. Maria C. Scarps D. A gray color E. More features than the moon

C. Scarps

Which two countries spacecraft failed to detect any magnetosphere around Venus? A. Soviet Russia and China B. China and Japan C. Soviet Russia and the U.S. D. Japan and the U.S.

C. Soviet Russia and the U.S.

This planet contains continent-sized features named Ishtar Terra and Aphrodite Terra. A. Mercury B. Mars C. Venus D. Moon

C. Venus

What is the Great Red Spot on Jupiter? A. a crater B. a valley C. a hurricane D. a volcano

C. a hurricane

The term "scarp" refers to A. frictional slip between rock masses B. the release of stored energy C. huge cliffs formed from planet cooling and contraction D. gravitational potential energy

C. huge cliffs formed from planet cooling and contraction

Which of the following is true of Mercury's rotation? A. rotation period equals revolution period B. planets rotate retrograde in about 250 days C. planet revolves 3 times for every 2 revolutions because of tidal resonance D. None of the above

C. planet revolves 3 times for every 2 revolutions because of tidal resonance

What is Mercury's unusual motion? A. VERY slow retrograde rotation B. Fast Differential rotation C. resonance rotation D. Period of a day is 24.6 hours E. due to its elliptical orbit, Pluto is sometimes closer to the Sun than is Neptune

C. resonance rotation

Venus is the third brightest object in the entire sky, next to the Sun and.... A. Jupiter B. Earth C. the Moon D. Pluto

C. the Moon

Which one of these is the name of Mars's moon(s)? A) Phobos B) Deimos C) Lepra D) A & B E) None of the above

D) A & B

How many moons does Venus have? A. 1 B. 4 C. 5 D. 0

D. 0

How many moons does Venus have? A. 3 B. 2 C. 1 D. 0

D. 0

The upper level winds on Venus reach speeds of: A. 100 km/hr B. 200 km/hr C. 50 km/hr D. 400 km/hr

D. 400 km/hr

Approximately how many miles away is Earth from the Sun? A. 5 million B. 2 billion C. 63 million D. 93 million

D. 93 million

Which of the following is not a byproduct of the Solar tides on Mercury? A. Mercury's rotational axis is almost exactly perpendicular to its orbital plane. B. The noonday Sun is directly over the equator. C. The solar day of Mercury is 2 of its years long. D. The same side of Mercury always faces the Sun.

D. The same side of Mercury always faces the Sun.

Which layer of the atmosphere contains all of Earth's surface? a) ionosphere b) mesosphere c) stratosphere d) troposphere

D. The troposphere holds all of Earth's surface, even Mt. Everest.

The Moon's crust is ______________. A. The same thickness all the way around. B. Thicker on the Earth side and thinner on the far side. C. Thicker on the North Hemisphere and thinner on the Southern Hemisphere. D. Thicker on the Far side and thinner on the Earth side. E. None of the above.

D. Thicker on the Far side and thinner on the Earth side.

Coronae are unique to which planet? A. Neptune B. Saturn C. Mercury D. Venus E. Mars

D. Venus

Shield volcanoes are most common to which planet? A. Earth B. Mercury C. Mars D. Venus E. Jupiter

D. Venus

What is the most important factor that determines the surface and/or resurfacing of Venus? A. erosion by it's atmosphere B. it's orbit C. wind D. volcanic activity

D. volcanic activity

What contributes to the creation of belts and zones in Jupiter's atmosphere? A. Convection B. Rapid Rotation C. Differential Rotation D. Its position and location in relation to the sun E. A, B and C only

E. A, B and C only

Which of the following is a reason as to why the temperature disparity between night and day is so drastic on Mercury? A. Its close proximity to the Sun B. It's slow rotational period C. It's lack of significant atmosphere D. A and C E. All of the Above

E. All of the above; the temperature can reach over 700K on the day side of Mercury and drop to 100K on the night side.

What rocks would you find on the Moon? A. basalts B. anorthosites C. breccia D. regolith E. All the above

E. All the above

What is the name of the most recent, famous, mars exploration rover? A. Apollo B. Genesis C. Titan D. Eclipse E. Curiosity

E. Curiosity

Which one of Jupiter's moons is the largest moon in the solar system? A. Callisto B. Io C. Triton D. Europa E. Ganymede

E. Ganymede

How much would I weigh on Mercury? A. I would weigh 50% of what I weigh on Earth B. I would be weightless C. I would weigh 62% of what I weigh on Earth D. I would weigh the same as I do on Earth E. I would weigh 36% of what I do on Earth

E. I would weigh 36% of what I do on Earth

Which planet is closest in size to the earth? A. Mars B. Mercury C. Neptune D. Uranus E. Venus

E. Venus

Which of the following probes have been sent to Mercury? A.) The Mariner 10 B.) The Mariner 2 C.) Messenger D.) Both A & B E.) Both A & C

E.) Both A & C

True or False Mercury's orbit has the greatest eccentricity

False, its pluto.

T or F? Earth rotated faster in the past.

True

TRUE/FALSE: Jupiter is the largest planet in our Solar System.

True

True/False The interior of the Moon's core is cooler than the Earth's core?

True

True/False The moon's gravitational attraction is greater on the side of the Earth that faces the Moon than on the opposite side.

True

True/False There is no volcanic activity on the Moon because all volcanism was stifled by the Moon's cooling mantle shortly after extensive lava flows formed the Maria more than 3 billion years ago.

True

What is the atmosphere of Mars like? a) Thicker than earths, made up mostly of nitrogen b) Thinner than earths, made up mostly of carbon dioxide c) Very similar to earths, just more carbon dioxide d) Thicker than earths, but mostly nitrogen

b) Thinner than earths, made up mostly of carbon dioxide