Question 1

A supercluster refers to a large group of stars within the Milky Way.

Accepted Answer

A) True 
 B)False  False

Question 2

The nearest star is 1 ly from the solar system.

Accepted Answer

A) True 
 B)False  False

Question 3

The sun is a star in the Milky Way Galaxy.

Accepted Answer

A) True 
 B)False  True

Question 4

Why do we measure some distances in astronomy in light-years and some in astronomical units?

Accepted Answer

The answer of Why do we measure some distances in...

Question 5

In the diagram below, what is the diameter of Jupiter?

Accepted Answer

A)  about 7.0*104 km 
B)  about 7.0*105 km 
C)  about 1.4*104 km 
D)  about 1.4*105 km 
E)  about 3.5*106 km 
A)  about 7.0*104 km 
B)  about 7.0*105 km 
C)  about 1.4*104 km 
D)  about 1.4*105 km 
E)  about 3.5*106 km

Question 6

If the distance from the sun to the Earth is represented by roughly 15 meters, then the distance from Earth to the moon on the same scale would be

Accepted Answer

A)  about 30 meters. 
B)  about 10 meters. 
C)  about 1 meter. 
D)  small than your hand. 
A)  about 30 meters. 
B)  about 10 meters. 
C)  about 1 meter. 
D)  small than your hand.

Question 7

The name of the average distance from Earth to the sun is one ____________________.

Accepted Answer

The answer of The name of the average distance from...

Question 8

Assume a textbook shows a diagram of the solar system on, say, a standard notebook-sized sheet. The orbits of eight planets are sketched around the sun at the center. Disks on each orbit are large enough to show features like continents on Earth or the rings of Saturn. There is a similar-sized disk for the sun with some sunspots. Discuss what is wrong or right with this diagram.

Accepted Answer

The diagram of the solar system on a sta

Question 9

Which of the following is the largest?

Accepted Answer

A)  the diameter of Earth 
B)  the diameter of the moon 
C)  the diameter of the sun 
D)  the diameter of Jupiter 
E)  the distance from Earth to the sun 
A)  the diameter of Earth 
B)  the diameter of the moon 
C)  the diameter of the sun 
D)  the diameter of Jupiter 
E)  the distance from Earth to the sun

Question 10

The average distance from Earth to the sun is 1 AU.

Accepted Answer

A) True 
 B)False

Question 11

A typical galaxy like our Milky Way galaxy contains

Accepted Answer

A)  primarily planets. 
B)  gas only. 
C)  stars (some with planets), gas, and dust. 
D)  a single star and planets. 
E)  thousands of superclusters. 
A)  primarily planets. 
B)  gas only. 
C)  stars (some with planets), gas, and dust. 
D)  a single star and planets. 
E)  thousands of superclusters.

Question 12

Arrange the following distances in order from smallest to largest.

Accepted Answer

A)  I, II, III, IV 
B)  IV, III, II, I 
C)  III, I, IV, II 
D)  II, I, IV, III 
E)  III, I, II, IV 
A)  I, II, III, IV 
B)  IV, III, II, I 
C)  III, I, IV, II 
D)  II, I, IV, III 
E)  III, I, II, IV

Question 13

An astronomical unit is larger than a light-year.

Accepted Answer

A) True 
 B)False

Question 14

The numbers 9.81*105 and 981,000 are equivalent.

Accepted Answer

A) True 
 B)False

Question 15

Scientific notation is used in science because

Accepted Answer

A)  it makes it easy to write big or small numbers. 
B)  all astronomical distances are expressed in metric units. 
C)  it makes conversions between units easy. 
D)  all of the above 
A)  it makes it easy to write big or small numbers. 
B)  all astronomical distances are expressed in metric units. 
C)  it makes conversions between units easy. 
D)  all of the above

Question 16

Draw a schematic (not to scale) diagram showing our solar system, nearby stars, and other stars making up our Milky Way Galaxy as dots. You do not have to draw 100 billion dots as stars!

Accepted Answer

Sure, here is a description of the schem

Question 17

If light takes 8 minutes to travel from the sun to Earth and over 4 hours to travel from the sun to the planet Neptune, what is the distance from the sun to Neptune?

Accepted Answer

A)  5 AU 
B)  30 AU 
C)  30 ly 
D)  5 ly 
E)  0.6 ly 
A)  5 AU 
B)  30 AU 
C)  30 ly 
D)  5 ly 
E)  0.6 ly

Question 18

Light takes about 8 minutes to travel from the sun to Earth and about 40 minutes to travel from the sun to Jupiter. Jupiter is about ____________________ AU from the sun

Accepted Answer

The answer of Light takes about 8 minutes to travel...

Question 19

The average distance from Earth to the sun is

Accepted Answer

A)  1 ly. 
B)  1 million km. 
C)  1 million miles. 
D)  1 billion km. 
E)  150 million km. 
A)  1 ly. 
B)  1 million km. 
C)  1 million miles. 
D)  1 billion km. 
E)  150 million km.

Question 20

Explain the difference between a light-year and the orbital period of Earth.

Accepted Answer

A light-year is a unit of distance, not

A supercluster refers to a large group of stars within the Milky Way.

The nearest star is 1 ly from the solar system.

The sun is a star in the Milky Way Galaxy.

Why do we measure some distances in astronomy in light-years and some in astronomical units?

In the diagram below, what is the diameter of Jupiter?

If the distance from the sun to the Earth is represented by roughly 15 meters, then the distance from Earth to the moon on the same scale would be

The name of the average distance from Earth to the sun is one ____________________.

Which of the following is the largest?

The average distance from Earth to the sun is 1 AU.

A typical galaxy like our Milky Way galaxy contains

Arrange the following distances in order from smallest to largest.

An astronomical unit is larger than a light-year.

The numbers 9.81*10⁵ and 981,000 are equivalent.

Scientific notation is used in science because

Draw a schematic (not to scale) diagram showing our solar system, nearby stars, and other stars making up our Milky Way Galaxy as dots. You do not have to draw 100 billion dots as stars!

If light takes 8 minutes to travel from the sun to Earth and over 4 hours to travel from the sun to the planet Neptune, what is the distance from the sun to Neptune?

Light takes about 8 minutes to travel from the sun to Earth and about 40 minutes to travel from the sun to Jupiter. Jupiter is about ____________________ AU from the sun

The average distance from Earth to the sun is

Explain the difference between a light-year and the orbital period of Earth.

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 1: Here and Now

A supercluster refers to a large group of stars within the Milky Way.

The nearest star is 1 ly from the solar system.

The sun is a star in the Milky Way Galaxy.

Why do we measure some distances in astronomy in light-years and some in astronomical units?

In the diagram below, what is the diameter of Jupiter?

If the distance from the sun to the Earth is represented by roughly 15 meters, then the distance from Earth to the moon on the same scale would be

The name of the average distance from Earth to the sun is one ____________________.

Which of the following is the largest?

The average distance from Earth to the sun is 1 AU.

A typical galaxy like our Milky Way galaxy contains

Arrange the following distances in order from smallest to largest.

An astronomical unit is larger than a light-year.

The numbers 9.81*105 and 981,000 are equivalent.

Scientific notation is used in science because

Draw a schematic (not to scale) diagram showing our solar system, nearby stars, and other stars making up our Milky Way Galaxy as dots. You do not have to draw 100 billion dots as stars!

If light takes 8 minutes to travel from the sun to Earth and over 4 hours to travel from the sun to the planet Neptune, what is the distance from the sun to Neptune?

Light takes about 8 minutes to travel from the sun to Earth and about 40 minutes to travel from the sun to Jupiter. Jupiter is about ____________________ AU from the sun

The average distance from Earth to the sun is

Explain the difference between a light-year and the orbital period of Earth.

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

The numbers 9.81*10⁵ and 981,000 are equivalent.