Question 1

In the diagram, 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 
A)  about 7.0 × 104 km 
B)  about 7.0 × 105 km 
C)  about 1.4 × 104 km 
D)  about 1.4 × 105 km

Question 2

How does one light-year relate to Astronomical Units, roughly?

Accepted Answer

A)  63,000 AU 
B)  10,000 AU 
C)  380,000 AU 
D)  1,400 AU 
A)  63,000 AU 
B)  10,000 AU 
C)  380,000 AU 
D)  1,400 AU

Question 3

What is the approximate diameter of the Earth?

Accepted Answer

A)  1 AU 
B)  13,000 light-years 
C)  13,000 kilometres 
D)  1,000,000 kilometres 
A)  1 AU 
B)  13,000 light-years 
C)  13,000 kilometres 
D)  1,000,000 kilometres

Question 4

The Sun is located at the centre of the Milky Way.

Accepted Answer

A) True 
 B)False

Question 5

It takes light 1.3 seconds to travel from the Moon to Earth and 8 minutes for light to travel from the Sun to Earth. Which of the following statements is true?

Accepted Answer

A)  The Sun is 6.2 times farther from Earth than the Moon. 
B)  The Sun is 10 times farther from Earth than the Moon. 
C)  The Sun is 370 times farther from Earth than the Moon. 
D)  The Sun is 0.10 times farther from Earth than the Moon. 
A)  The Sun is 6.2 times farther from Earth than the Moon. 
B)  The Sun is 10 times farther from Earth than the Moon. 
C)  The Sun is 370 times farther from Earth than the Moon. 
D)  The Sun is 0.10 times farther from Earth than the Moon.

Question 6

Which one of the following statements best describes a planet?

Accepted Answer

A)  a non-luminous body 
B)  an irregular shape 
C)  a body that generates energy by nuclear fusion 
D)  a body located at the centre of the Solar System 
A)  a non-luminous body 
B)  an irregular shape 
C)  a body that generates energy by nuclear fusion 
D)  a body located at the centre of the Solar System

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

Which statement best describes the Milky Way Galaxy?

Accepted Answer

A)  It contains about 100 billion stars. 
B)  It is about 400 light-years in diameter. 
C)  It is the largest known object in the universe. 
D)  It contains numerous clusters and superclusters. 
A)  It contains about 100 billion stars. 
B)  It is about 400 light-years in diameter. 
C)  It is the largest known object in the universe. 
D)  It contains numerous clusters and superclusters.

Question 9

Why is scientific notation used in science?

Accepted Answer

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

Question 10

What is one thousandth of one metre?

Accepted Answer

A)  one kilometre 
B)  one centimetre 
C)  one millimetre 
D)  one hectometre 
A)  one kilometre 
B)  one centimetre 
C)  one millimetre 
D)  one hectometre

Question 11

Which statement best describes the Milky Way Galaxy?

Accepted Answer

A)  It is a spiral galaxy. 
B)  It is comprised of several smaller galaxies. 
C)  It is about 1,000 light-years in diameter. 
D)  It is type of supercluster. 
A)  It is a spiral galaxy. 
B)  It is comprised of several smaller galaxies. 
C)  It is about 1,000 light-years in diameter. 
D)  It is type of supercluster.

Question 12

The speed of light is 3.0×105 km/s, and it takes 1.3 seconds for light to travel from the Moon to Earth. Based on this information, what is the distance from the Earth to the Moon?

Accepted Answer

A)  390,000 km 
B)  230,000 km 
C)  3.9 km 
D)  2.3 km 
A)  390,000 km 
B)  230,000 km 
C)  3.9 km 
D)  2.3 km

Question 13

What is 1.95 billion the same as?

Accepted Answer

A)  1.95 × 1012 
B)  1.95 × 109 
C)  1.95 × 106 
D)  1.95 × 105 
A)  1.95 × 1012 
B)  1.95 × 109 
C)  1.95 × 106 
D)  1.95 × 105

Question 14

A(n) ____________________ is the largest known structure in the universe.

Accepted Answer

The answer of A(n) ____________________ is the largest known structure...

Question 15

Which one of the following statements best describes the Sun?

Accepted Answer

A)  generates energy by nuclear fusion 
B)  located 10 AU from Earth 
C)  orbiting the Solar System 
D)  located in the centre of the Milky Way 
A)  generates energy by nuclear fusion 
B)  located 10 AU from Earth 
C)  orbiting the Solar System 
D)  located in the centre of the Milky Way

Question 16

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

Question 17

Approximately how many times larger than the diameter of a typical planet (the Earth) is the diameter of a typical star (the Sun)?

Accepted Answer

A)  10 times 
B)  100 times 
C)  1000 times 
D)  10,000 times 
A)  10 times 
B)  100 times 
C)  1000 times 
D)  10,000 times

Question 18

The nearest star is 1 ly from the Solar System.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is the smallest?

Accepted Answer

A)  size of a typical planet 
B)  1 AU 
C)  1 light-year 
D)  size of a typical galaxy 
A)  size of a typical planet 
B)  1 AU 
C)  1 light-year 
D)  size of a typical galaxy

In the diagram, what is the diameter of Jupiter?

How does one light-year relate to Astronomical Units, roughly?

What is the approximate diameter of the Earth?

The Sun is located at the centre of the Milky Way.

It takes light 1.3 seconds to travel from the Moon to Earth and 8 minutes for light to travel from the Sun to Earth. Which of the following statements is true?

Which one of the following statements best describes a planet?

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

Which statement best describes the Milky Way Galaxy?

Why is scientific notation used in science?

What is one thousandth of one metre?

Which statement best describes the Milky Way Galaxy?

The speed of light is 3.0×10⁵ km/s, and it takes 1.3 seconds for light to travel from the Moon to Earth. Based on this information, what is the distance from the Earth to the Moon?

What is 1.95 billion the same as?

A(n) ____________________ is the largest known structure in the universe.

Which one of the following statements best describes the Sun?

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?

Approximately how many times larger than the diameter of a typical planet (the Earth) is the diameter of a typical star (the Sun)?

The nearest star is 1 ly from the Solar System.

Which of the following is the smallest?

Users Guide to the Sky: Patterns and Cycles

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments: Extending Humanitys Vision

The Sun: the Closest Star

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

Planet Formation and Exoplanets

Comparative Planetology of the Terrestrial Planets

The Outer Solar System

Life on Other Worlds

Filters

Exam 1: The Scale of the Cosmos: Space and Time

In the diagram, what is the diameter of Jupiter?

How does one light-year relate to Astronomical Units, roughly?

What is the approximate diameter of the Earth?

The Sun is located at the centre of the Milky Way.

It takes light 1.3 seconds to travel from the Moon to Earth and 8 minutes for light to travel from the Sun to Earth. Which of the following statements is true?

Which one of the following statements best describes a planet?

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

Which statement best describes the Milky Way Galaxy?

Why is scientific notation used in science?

What is one thousandth of one metre?

Which statement best describes the Milky Way Galaxy?

The speed of light is 3.0×105 km/s, and it takes 1.3 seconds for light to travel from the Moon to Earth. Based on this information, what is the distance from the Earth to the Moon?

What is 1.95 billion the same as?

A(n) ____________________ is the largest known structure in the universe.

Which one of the following statements best describes the Sun?

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?

Approximately how many times larger than the diameter of a typical planet (the Earth) is the diameter of a typical star (the Sun)?

The nearest star is 1 ly from the Solar System.

Which of the following is the smallest?

Users Guide to the Sky: Patterns and Cycles

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments: Extending Humanitys Vision

The Sun: the Closest Star

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

Planet Formation and Exoplanets

Comparative Planetology of the Terrestrial Planets

The Outer Solar System

Life on Other Worlds

Filters

The speed of light is 3.0×10⁵ km/s, and it takes 1.3 seconds for light to travel from the Moon to Earth. Based on this information, what is the distance from the Earth to the Moon?

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?