Question 1

The ____________________ contains a large amount of gas and dust and a great number of stars, and our Sun is one of those stars.

Accepted Answer

The answer of The ____________________ contains a large amount of...

Question 2

Which is the shorter time unit - a light-second, a light-minute, or a light-year?

Accepted Answer

A)  light-second 
B)  light-minute 
C)  light-year 
D)  None of the other choices are correct. 
A)  light-second 
B)  light-minute 
C)  light-year 
D)  None of the other choices are correct.

Question 3

Figure 1-11 is an example of a/an __________________. Choose the best answer.

Accepted Answer

A)  image 
B)  picture 
C)  artistic rendering 
D)  line drawing 
A)  image 
B)  picture 
C)  artistic rendering 
D)  line drawing

Question 4

If the distance to the nearest star is 4.2 light-years, then

Accepted Answer

A)  the star is 4.2 million AU away. 
B)  the light we see left the star 4.2 years ago. 
C)  the star must have formed 4.2 billion years ago. 
D)  the star must be very young. 
E)  the star must be very old. 
A)  the star is 4.2 million AU away. 
B)  the light we see left the star 4.2 years ago. 
C)  the star must have formed 4.2 billion years ago. 
D)  the star must be very young. 
E)  the star must be very old.

Question 5

The nearest star is 1 ly from the solar system.

Accepted Answer

A) True 
 B)False

Question 6

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 7

How fast does light travel from Proxima Centuri to Earth?

Accepted Answer

A)  4.2 ly 
B)  4.2 years 
C)  3 × 108 m/s 
D)  None of the other choices are correct. 
A)  4.2 ly 
B)  4.2 years 
C)  3 × 108 m/s 
D)  None of the other choices are correct.

Question 8

If the Earth were represented as a basketball (˜10 in. in diameter) and the Moon as a baseball (˜3 in. in diameter) then, to order of magnitude, what size would best represent the diameter of the Sun?

Accepted Answer

A)  10 ft 
B)  100 ft 
C)  1000 ft 
D)  10000 ft 
A)  10 ft 
B)  100 ft 
C)  1000 ft 
D)  10000 ft

Question 9

Why would the English system of units be more useful if a foot contained 10 inches?

Accepted Answer

Because our number system is base-10, ha

Question 10

A light-year is the distance light travels in one year.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following order from largest to smallest is incorrect?

Accepted Answer

A)  void, supercluster, star 
B)  filament, planet, asteroid 
C)  wall, star, planet 
D)  void, solar system, cluster 
A)  void, supercluster, star 
B)  filament, planet, asteroid 
C)  wall, star, planet 
D)  void, solar system, cluster

Question 12

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 13

If distance is speed × time and light takes 1.3 seconds to travel from the Moon to Earth and 8 minutes to travel from the Sun to Earth, which of the following statements is true?

Accepted Answer

A)  The Sun is 6.2 times further from Earth than the Moon. 
B)  The Sun is 10 times further from Earth than the Moon. 
C)  The Sun is 0.16 times further Earth than the Moon 
D)  The Sun is 0.10 times further from Earth that the Moon. 
E)  The Sun is 370 times further from Earth than the Moon. 
A)  The Sun is 6.2 times further from Earth than the Moon. 
B)  The Sun is 10 times further from Earth than the Moon. 
C)  The Sun is 0.16 times further Earth than the Moon 
D)  The Sun is 0.10 times further from Earth that the Moon. 
E)  The Sun is 370 times further from Earth than the Moon.

Question 14

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 15

Earth has a radius of about 6400 km, the Sun has a radius of about 7.0 × 105 km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the Sun in your model?

Accepted Answer

A)  7.0 × 105 cm 
B)  7.0 cm 
C)  700 cm 
D)  70 cm 
E)  7000 cm 
A)  7.0 × 105 cm 
B)  7.0 cm 
C)  700 cm 
D)  70 cm 
E)  7000 cm

Question 16

The number 52,600,000,000 would be written in scientific notation as ____________________.

Accepted Answer

The answer of The number 52,600,000,000 would be written in...

Question 17

Which color best represents space as drawn in this chapters' figures?

Accepted Answer

A)  blue 
B)  white 
C)  black 
D)  red 
A)  blue 
B)  white 
C)  black 
D)  red

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

The Moon is a large moon compared to the size of its host planet.

Accepted Answer

A) True 
 B)False

Question 20

Considering that the Sun is about 1/100 AU in diameter and a typical planet like Earth is 1/10,000 AU, discuss whether or not our Solar System is crowded or empty.

Accepted Answer

​ 
The Sun and planets make up

The ____________________ contains a large amount of gas and dust and a great number of stars, and our Sun is one of those stars.

Which is the shorter time unit - a light-second, a light-minute, or a light-year?

Figure 1-11 is an example of a/an __________________. Choose the best answer.

If the distance to the nearest star is 4.2 light-years, then

The nearest star is 1 ly from the solar system.

The average distance from Earth to the Sun is

How fast does light travel from Proxima Centuri to Earth?

If the Earth were represented as a basketball (˜10 in. in diameter) and the Moon as a baseball (˜3 in. in diameter) then, to order of magnitude, what size would best represent the diameter of the Sun?

Why would the English system of units be more useful if a foot contained 10 inches?

A light-year is the distance light travels in one year.

Which of the following order from largest to smallest is incorrect?

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.

If distance is speed × time and light takes 1.3 seconds to travel from the Moon to Earth and 8 minutes to travel from the Sun to Earth, which of the following statements is true?

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

Earth has a radius of about 6400 km, the Sun has a radius of about 7.0 × 10⁵ km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the Sun in your model?

The number 52,600,000,000 would be written in scientific notation as ____________________.

Which color best represents space as drawn in this chapters' figures?

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

The Moon is a large moon compared to the size of its host planet.

Considering that the Sun is about 1/100 AU in diameter and a typical planet like Earth is 1/10,000 AU, discuss whether or not our Solar System is crowded or empty.

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

Origin of the Solar System and Extrasolar Planets

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

The ____________________ contains a large amount of gas and dust and a great number of stars, and our Sun is one of those stars.

Which is the shorter time unit - a light-second, a light-minute, or a light-year?

Figure 1-11 is an example of a/an __________________. Choose the best answer.

If the distance to the nearest star is 4.2 light-years, then

The nearest star is 1 ly from the solar system.

The average distance from Earth to the Sun is

How fast does light travel from Proxima Centuri to Earth?

If the Earth were represented as a basketball (˜10 in. in diameter) and the Moon as a baseball (˜3 in. in diameter) then, to order of magnitude, what size would best represent the diameter of the Sun?

Why would the English system of units be more useful if a foot contained 10 inches?

A light-year is the distance light travels in one year.

Which of the following order from largest to smallest is incorrect?

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.

If distance is speed × time and light takes 1.3 seconds to travel from the Moon to Earth and 8 minutes to travel from the Sun to Earth, which of the following statements is true?

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

Earth has a radius of about 6400 km, the Sun has a radius of about 7.0 × 105 km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the Sun in your model?

The number 52,600,000,000 would be written in scientific notation as ____________________.

Which color best represents space as drawn in this chapters' figures?

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

The Moon is a large moon compared to the size of its host planet.

Considering that the Sun is about 1/100 AU in diameter and a typical planet like Earth is 1/10,000 AU, discuss whether or not our Solar System is crowded or empty.

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

Origin of the Solar System and Extrasolar Planets

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

Earth has a radius of about 6400 km, the Sun has a radius of about 7.0 × 10⁵ km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the Sun in your model?

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