Question 1

What is the main reason why a comet should not be considered a type of planet?

Accepted Answer

Comets do not orbit the sun in

Question 2

Referring to Figure 1.10 of the textbook,what is the relationship between the speed of the car and the slope of the graph?

Accepted Answer

The speed of the car at a part

Question 3

Our universe is approximately ________ years old.

Accepted Answer

A)  14 million 
B)  14 billion 
C)  14 trillion 
D)  14 thousand 
A)  14 million 
B)  14 billion 
C)  14 trillion 
D)  14 thousand

Question 4

Write 0.00000037 in scientific notation.

Accepted Answer

A)  3.7 × 10-7 
B)  37 × 10-6 
C)  37 × 106 
D)  3.7 × 107 
A)  3.7 × 10-7 
B)  37 × 10-6 
C)  37 × 106 
D)  3.7 × 107

Question 5

One of the central assumptions in astronomy is that the physical laws of nature:

Accepted Answer

A)  change when objects move at high speed. 
B)  change throughout the age of the universe. 
C)  depend on the mass of the objects involved. 
D)  are the same everywhere in the universe. 
A)  change when objects move at high speed. 
B)  change throughout the age of the universe. 
C)  depend on the mass of the objects involved. 
D)  are the same everywhere in the universe.

Question 6

After the Sun,the next nearest star to us is approximately ________ away.

Accepted Answer

A)  4 light-seconds 
B)  4 light-minutes 
C)  4 light-hours 
D)  4 light-years 
A)  4 light-seconds 
B)  4 light-minutes 
C)  4 light-hours 
D)  4 light-years

Question 7

Our place in the universe is:

Accepted Answer

A)  a location and a time. 
B)  at its center. 
C)  at its edge. 
D)  unknown because there is no center to the universe. 
A)  a location and a time. 
B)  at its center. 
C)  at its edge. 
D)  unknown because there is no center to the universe.

Question 8

The speed of light is about:

Accepted Answer

A)  20 km/s. 
B)  30,000 km/s. 
C)  300,000 km/s. 
D)  5 million km/s. 
A)  20 km/s. 
B)  30,000 km/s. 
C)  300,000 km/s. 
D)  5 million km/s.

Question 9

Approximately how many meters are in 12 ft?

Accepted Answer

A)  3 
B)  4 
C)  12 
D)  36 
A)  3 
B)  4 
C)  12 
D)  36

Question 10

Which of the following most closely approximates the number of stars in the Milky Way?

Accepted Answer

A)  10 million 
B)  100 million 
C)  10 billion 
D)  100 billion 
A)  10 million 
B)  100 million 
C)  10 billion 
D)  100 billion

Question 11

How many orders of magnitude does the size of the visible universe span (in light years)?

Accepted Answer

A)  13.8 
B)  1 billion 
C)  9 
D)  10 
A)  13.8 
B)  1 billion 
C)  9 
D)  10

Question 12

Why might the universe be described as a sort of "time machine"?

Accepted Answer

The finite speed of light mean

Question 13

Write 3,800,000,000 in scientific notation.

Accepted Answer

A)  3.8 × 108 
B)  3.8 × 109 
C)  3.8 × 10-8 
D)  3.8 × 10-9 
A)  3.8 × 108 
B)  3.8 × 109 
C)  3.8 × 10-8 
D)  3.8 × 10-9

Question 14

The Local Group is the environment around:

Accepted Answer

A)  the Sun that contains about a dozen stars. 
B)  the Milky Way that contains a few dozen galaxies. 
C)  the Sun that contains more than a billion stars. 
D)  the Milky Way that contains a few thousand galaxies. 
A)  the Sun that contains about a dozen stars. 
B)  the Milky Way that contains a few dozen galaxies. 
C)  the Sun that contains more than a billion stars. 
D)  the Milky Way that contains a few thousand galaxies.

What is the main reason why a comet should not be considered a type of planet?

Referring to Figure 1.10 of the textbook,what is the relationship between the speed of the car and the slope of the graph?

Our universe is approximately ________ years old.

Write 0.00000037 in scientific notation.

One of the central assumptions in astronomy is that the physical laws of nature:

After the Sun,the next nearest star to us is approximately ________ away.

Our place in the universe is:

The speed of light is about:

Approximately how many meters are in 12 ft?

Which of the following most closely approximates the number of stars in the Milky Way?

How many orders of magnitude does the size of the visible universe span (in light years)?

Why might the universe be described as a sort of "time machine"?

Write 3,800,000,000 in scientific notation.

The Local Group is the environment around:

Patterns in the Skymotions of Earth and the Moon

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: the Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Measuring Galaxies

Our Galaxy: the Milky Way

The Evolution of the Universe

Formation of Structure

Life in the Universe

Filters

Exam 1: Thinking Like an Astronomer

What is the main reason why a comet should not be considered a type of planet?

Referring to Figure 1.10 of the textbook,what is the relationship between the speed of the car and the slope of the graph?

Our universe is approximately ________ years old.

Write 0.00000037 in scientific notation.

One of the central assumptions in astronomy is that the physical laws of nature:

After the Sun,the next nearest star to us is approximately ________ away.

Our place in the universe is:

The speed of light is about:

Approximately how many meters are in 12 ft?

Which of the following most closely approximates the number of stars in the Milky Way?

How many orders of magnitude does the size of the visible universe span (in light years)?

Why might the universe be described as a sort of "time machine"?

Write 3,800,000,000 in scientific notation.

The Local Group is the environment around:

Patterns in the Skymotions of Earth and the Moon

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: the Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Measuring Galaxies

Our Galaxy: the Milky Way

The Evolution of the Universe

Formation of Structure

Life in the Universe

Filters