Question 1

A meteorite is

Accepted Answer

A)  an irregularly shaped body, mostly found orbiting between Mars and Jupiter. 
B)  a streak of light in the atmosphere. 
C)  a chunk of space debris that has struck the ground. 
D)  an icy body with a long tail extending from it. 
E)  a chunk of space debris orbiting the Earth. 
A)  an irregularly shaped body, mostly found orbiting between Mars and Jupiter. 
B)  a streak of light in the atmosphere. 
C)  a chunk of space debris that has struck the ground. 
D)  an icy body with a long tail extending from it. 
E)  a chunk of space debris orbiting the Earth.

Question 2

The jovian planets

Accepted Answer

A)  all lie less than 5 AU from the Sun. 
B)  all have rings around their equators. 
C)  have satellite systems with less than 4 moons. 
D)  all spin more slowly than the Earth. 
E)  are all much denser than any of the terrestrial planets. 
A)  all lie less than 5 AU from the Sun. 
B)  all have rings around their equators. 
C)  have satellite systems with less than 4 moons. 
D)  all spin more slowly than the Earth. 
E)  are all much denser than any of the terrestrial planets.

Question 3

The second most abundant element in the solar system is

Accepted Answer

A)  oxygen. 
B)  hydrogen. 
C)  silicon. 
D)  helium. 
E)  carbon. 
A)  oxygen. 
B)  hydrogen. 
C)  silicon. 
D)  helium. 
E)  carbon.

Question 4

The curved, yellow tail lags behind the blue tail as the comet rounds the Sun.

Accepted Answer

The answer of The curved, yellow tail lags behind the...

Question 5

Planetary orbits

Accepted Answer

A)  are highly inclined to the ecliptic. 
B)  are evenly spaced throughout the solar system. 
C)  are almost circular, with low eccentricities. 
D)  have the Sun at their exact center. 
E)  are spaced more closely together as they get further from the Sun. 
A)  are highly inclined to the ecliptic. 
B)  are evenly spaced throughout the solar system. 
C)  are almost circular, with low eccentricities. 
D)  have the Sun at their exact center. 
E)  are spaced more closely together as they get further from the Sun.

Question 6

The solar nebular theory has been supported by observation of dusty disks around the
of young, condensing stars.

Accepted Answer

The answer of The solar nebular theory has been supported...

Question 7

Which statement about extrasolar planets found to date is true?

Accepted Answer

A)  All lie more than 2 AU from their star. 
B)  Some are so close to their stars that their periods are just a few days. 
C)  Few are found by Doppler shifts of their stars, due to their gravity. 
D)  Most have orbital periods of more than a year. 
E)  All are terrestrials, comparable in size to Earth. 
A)  All lie more than 2 AU from their star. 
B)  Some are so close to their stars that their periods are just a few days. 
C)  Few are found by Doppler shifts of their stars, due to their gravity. 
D)  Most have orbital periods of more than a year. 
E)  All are terrestrials, comparable in size to Earth.

Question 8

No stars have yet been observed that have more than one exoplanet.

Accepted Answer

A) True 
 B)False

Question 9

All jovian planets have rings around their equators and at least eight moons.

Accepted Answer

A) True 
 B)False

Question 10

The key ingredient in planetary formation in the solar nebula is .

Accepted Answer

interstell

Question 11

A solid body from the outer solar system that arrives intact on the Earth's surface is called a(n) .

Accepted Answer

The answer of A solid body from the outer solar...

Question 12

The most distant objects in our solar system are

Accepted Answer

A)  in the Kuiper Belt. 
B)  short period comets. 
C)  the Trojan asteroids. 
D)  the jovians. 
E)  in the Oort Cloud. 
A)  in the Kuiper Belt. 
B)  short period comets. 
C)  the Trojan asteroids. 
D)  the jovians. 
E)  in the Oort Cloud.

Question 13

One characteristic of the terrestrial planets is their extensive moon systems.

Accepted Answer

A) True 
 B)False

Question 14

Objects in the Kuiper belt

Accepted Answer

A)  lie beyond the orbit of Neptune, and close to the ecliptic. 
B)  are the sources of long- period comets. 
C)  lie beyond the orbit of Neptune and perpendicular to the ecliptic. 
D)  are in random orbits at all inclinations to the ecliptic. 
E)  are dense, like the iron meteorites. 
A)  lie beyond the orbit of Neptune, and close to the ecliptic. 
B)  are the sources of long- period comets. 
C)  lie beyond the orbit of Neptune and perpendicular to the ecliptic. 
D)  are in random orbits at all inclinations to the ecliptic. 
E)  are dense, like the iron meteorites.

Question 15

Planetary transits of exoplanets are rare because

Accepted Answer

A)  most extrasolar systems are not seen edge- on. 
B)  our telescopes are not powerful enough to detect them. 
C)  most stars are too bright for us to detect a planetary transit. 
D)  the Earth's atmosphere interferes with our observations of transits. 
E)  most exoplanets are smaller than Pluto. 
A)  most extrasolar systems are not seen edge- on. 
B)  our telescopes are not powerful enough to detect them. 
C)  most stars are too bright for us to detect a planetary transit. 
D)  the Earth's atmosphere interferes with our observations of transits. 
E)  most exoplanets are smaller than Pluto.

Question 16

The process by which small debris condenses into planetesimals is .

Accepted Answer

The answer of The process by which small debris condenses...

Question 17

The fact that we don't see very many Earthlike planets in orbit around other stars is an indication that Earthlike planets are rare.

Accepted Answer

A) True 
 B)False

Question 18

Before it arrived in orbit about Jupiter, the Galileo spacecraft flew past

Accepted Answer

A)  Saturn. 
B)  Comet Halley. 
C)  the asteroid Ceres. 
D)  Mars. 
E)  the asteroid Gaspra. 
A)  Saturn. 
B)  Comet Halley. 
C)  the asteroid Ceres. 
D)  Mars. 
E)  the asteroid Gaspra.

Question 19

Carbonaceous asteroids contain fragile organic molecules.

Accepted Answer

A) True 
 B)False

Question 20

What are the measured densities of the exoplanets called "hot Jupiters," and why are these densities inconsistent with theoretical models?

Accepted Answer

The densities of hot Jupiters are very l

A meteorite is

The jovian planets

The second most abundant element in the solar system is

The curved, yellow tail lags behind the blue tail as the comet rounds the Sun.

Planetary orbits

The solar nebular theory has been supported by observation of dusty disks around the of young, condensing stars.

Which statement about extrasolar planets found to date is true?

No stars have yet been observed that have more than one exoplanet.

All jovian planets have rings around their equators and at least eight moons.

The key ingredient in planetary formation in the solar nebula is .

A solid body from the outer solar system that arrives intact on the Earth's surface is called a(n) .

The most distant objects in our solar system are

One characteristic of the terrestrial planets is their extensive moon systems.

Objects in the Kuiper belt

Planetary transits of exoplanets are rare because

The process by which small debris condenses into planetesimals is .

The fact that we don't see very many Earthlike planets in orbit around other stars is an indication that Earthlike planets are rare.

Before it arrived in orbit about Jupiter, the Galileo spacecraft flew past

Carbonaceous asteroids contain fragile organic molecules.

What are the measured densities of the exoplanets called "hot Jupiters," and why are these densities inconsistent with theoretical models?

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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Exam 5: The Solar System: Interplanetary Matter and the Birth of the Planets

A meteorite is

The jovian planets

The second most abundant element in the solar system is

The curved, yellow tail lags behind the blue tail as the comet rounds the Sun.

Planetary orbits

The solar nebular theory has been supported by observation of dusty disks around the of young, condensing stars.

Which statement about extrasolar planets found to date is true?

No stars have yet been observed that have more than one exoplanet.

All jovian planets have rings around their equators and at least eight moons.

The key ingredient in planetary formation in the solar nebula is .

A solid body from the outer solar system that arrives intact on the Earth's surface is called a(n) .

The most distant objects in our solar system are

One characteristic of the terrestrial planets is their extensive moon systems.

Objects in the Kuiper belt

Planetary transits of exoplanets are rare because

The process by which small debris condenses into planetesimals is .

The fact that we don't see very many Earthlike planets in orbit around other stars is an indication that Earthlike planets are rare.

Before it arrived in orbit about Jupiter, the Galileo spacecraft flew past

Carbonaceous asteroids contain fragile organic molecules.

What are the measured densities of the exoplanets called "hot Jupiters," and why are these densities inconsistent with theoretical models?

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

Filters