Question 1

A ___________ is a system of rules and principles that can be applied to a wide variety of circumstances.

Accepted Answer

The answer of A ___________ is a system of rules...

Question 2

Given its orbital period of 76 years, what is the average distance of Comet Halley from the Sun?

Accepted Answer

A)  18 AU 
B)  38 AU 
C)  51 AU 
D)  114 AU 
A)  18 AU 
B)  38 AU 
C)  51 AU 
D)  114 AU

Question 3

The spring tides occur during the new and full lunar phases.

Accepted Answer

A) True 
 B)False

Question 4

An ellipse with an eccentricity of zero is also called a ___________________.

Accepted Answer

The answer of An ellipse with an eccentricity of zero...

Question 5

When do spring tides occur?

Accepted Answer

A)  at new Moon and first quarter Moon 
B)  at first quarter Moon and third quarter Moon 
C)  at new Moon and full Moon 
D)  at third quarter Moon and full Moon 
A)  at new Moon and first quarter Moon 
B)  at first quarter Moon and third quarter Moon 
C)  at new Moon and full Moon 
D)  at third quarter Moon and full Moon

Question 6

What did Galileo's observations of a complete set of phases of Venus prove?

Accepted Answer

A)  that Venus orbited the Sun 
B)  that the Earth orbited the Sun 
C)  that all of the planets orbited the Sun 
D)  that Venus had an atmosphere 
A)  that Venus orbited the Sun 
B)  that the Earth orbited the Sun 
C)  that all of the planets orbited the Sun 
D)  that Venus had an atmosphere

Question 7

An object has been located orbiting the Sun at a distance of 65 AU. What is the approximate orbital period of this object?

Accepted Answer

A)  8.1 years 
B)  65 years 
C)  524 years 
D)  4225 years 
A)  8.1 years 
B)  65 years 
C)  524 years 
D)  4225 years

Question 8

Copernicus's heliocentric model of the universe was much more accurate than Ptolemy's geocentric model.

Accepted Answer

A) True 
 B)False

Question 9

What is the book De Revolutionibus Orbium Coelestium about?

Accepted Answer

A)  It describes how Galileo's observations and Kepler's calculations proved the Copernican theory. 
B)  It describes the construction of Galileo's telescope and his observations. 
C)  It is a dialogue written to convince the general public of the merits of the Copernican theory. 
D)  It lays out the Copernican theory for the first time. 
A)  It describes how Galileo's observations and Kepler's calculations proved the Copernican theory. 
B)  It describes the construction of Galileo's telescope and his observations. 
C)  It is a dialogue written to convince the general public of the merits of the Copernican theory. 
D)  It lays out the Copernican theory for the first time.

Question 10

The first modern astronomer to propose a heliocentric model for the solar system was ____________________.

Accepted Answer

The answer of The first modern astronomer to propose a...

Question 11

Retrograde motion was accounted for in Ptolemy's model with the addition of many ellipses.

Accepted Answer

A) True 
 B)False

Question 12

What was the greatest inaccuracy in Copernicus's model of the solar system?

Accepted Answer

A)  that the planets travelled in circular orbits with uniform motion 
B)  that the planets travelled on epicycles, the centres of which followed orbits around the Sun 
C)  that the planets travelled in elliptical orbits 
D)  that the planets were allowed to travel backwards in their orbits 
A)  that the planets travelled in circular orbits with uniform motion 
B)  that the planets travelled on epicycles, the centres of which followed orbits around the Sun 
C)  that the planets travelled in elliptical orbits 
D)  that the planets were allowed to travel backwards in their orbits

Question 13

The law of gravitation is termed universal because it is a property of all material objects.

Accepted Answer

A) True 
 B)False

Question 14

Ocean tides of low amplitude that occur at first and third quarter Moons are called ____________________.

Accepted Answer

The answer of Ocean tides of low amplitude that occur...

Question 15

Imagine you are travelling though the asteroid belt. Which of the following would you expect to observe?

Accepted Answer

A)  All asteroids in the asteroid belt have shorter orbital period than Earth. 
B)  Asteroids closer to Mars have longer orbital period than those closer to Jupiter. 
C)  All asteroids within the asteroid belt have the same orbital period. 
D)  Asteroids closer to Mars have shorter orbital periods than those closer to Jupiter. 
A)  All asteroids in the asteroid belt have shorter orbital period than Earth. 
B)  Asteroids closer to Mars have longer orbital period than those closer to Jupiter. 
C)  All asteroids within the asteroid belt have the same orbital period. 
D)  Asteroids closer to Mars have shorter orbital periods than those closer to Jupiter.

Question 16

Why were Mercury and Venus treated differently from the other known planets in Ptolemy's geocentric model of the universe?

Accepted Answer

A)  They always appear close to the Sun. 
B)  They are the closest planets to Earth. 
C)  They do not exhibit retrograde motion. 
D)  They have the highest surface temperatures. 
A)  They always appear close to the Sun. 
B)  They are the closest planets to Earth. 
C)  They do not exhibit retrograde motion. 
D)  They have the highest surface temperatures.

Question 17

Which of the following statements is implied by Kepler's first law of planetary motion?

Accepted Answer

A)  The planets move at a constant speed at all points in their orbits. 
B)  The planets all move around the Earth in elliptical orbits. 
C)  Uniform circular motion is adequate to describe the motion of all planets. 
D)  The planets move in elliptical orbits around the Sun. 
A)  The planets move at a constant speed at all points in their orbits. 
B)  The planets all move around the Earth in elliptical orbits. 
C)  Uniform circular motion is adequate to describe the motion of all planets. 
D)  The planets move in elliptical orbits around the Sun.

Question 18

Why did ancient astronomers believe that the Earth did not move?

Accepted Answer

A)  because they could not detect parallax 
B)  because they believed in circular motion 
C)  because all observable planets follow retrograde motion 
D)  because parallax is only detectable during the day 
A)  because they could not detect parallax 
B)  because they believed in circular motion 
C)  because all observable planets follow retrograde motion 
D)  because parallax is only detectable during the day

Question 19

Kepler discovered that planets move at uniform speeds along elliptical orbits.

Accepted Answer

A) True 
 B)False

Question 20

According to Kepler's third law, a planet's orbital period ____________________ is equal to its average distance from the Sun ____________________.

Accepted Answer

The answer of According to Kepler's third law, a planet's...

A ___________ is a system of rules and principles that can be applied to a wide variety of circumstances.

Given its orbital period of 76 years, what is the average distance of Comet Halley from the Sun?

The spring tides occur during the new and full lunar phases.

An ellipse with an eccentricity of zero is also called a ___________________.

When do spring tides occur?

What did Galileo's observations of a complete set of phases of Venus prove?

An object has been located orbiting the Sun at a distance of 65 AU. What is the approximate orbital period of this object?

Copernicus's heliocentric model of the universe was much more accurate than Ptolemy's geocentric model.

What is the book De Revolutionibus Orbium Coelestium about?

The first modern astronomer to propose a heliocentric model for the solar system was ____________________.

Retrograde motion was accounted for in Ptolemy's model with the addition of many ellipses.

What was the greatest inaccuracy in Copernicus's model of the solar system?

The law of gravitation is termed universal because it is a property of all material objects.

Ocean tides of low amplitude that occur at first and third quarter Moons are called ____________________.

Imagine you are travelling though the asteroid belt. Which of the following would you expect to observe?

Why were Mercury and Venus treated differently from the other known planets in Ptolemy's geocentric model of the universe?

Which of the following statements is implied by Kepler's first law of planetary motion?

Why did ancient astronomers believe that the Earth did not move?

Kepler discovered that planets move at uniform speeds along elliptical orbits.

According to Kepler's third law, a planet's orbital period is equal to its average distance from the Sun .

The Scale of the Cosmos: Space and Time

Users Guide to the Sky: Patterns and Cycles

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 3: The Origin of Modern Astronomy

A ___________ is a system of rules and principles that can be applied to a wide variety of circumstances.

Given its orbital period of 76 years, what is the average distance of Comet Halley from the Sun?

The spring tides occur during the new and full lunar phases.

An ellipse with an eccentricity of zero is also called a ___________________.

When do spring tides occur?

What did Galileo's observations of a complete set of phases of Venus prove?

An object has been located orbiting the Sun at a distance of 65 AU. What is the approximate orbital period of this object?

Copernicus's heliocentric model of the universe was much more accurate than Ptolemy's geocentric model.

What is the book De Revolutionibus Orbium Coelestium about?

The first modern astronomer to propose a heliocentric model for the solar system was ____________________.

Retrograde motion was accounted for in Ptolemy's model with the addition of many ellipses.

What was the greatest inaccuracy in Copernicus's model of the solar system?

The law of gravitation is termed universal because it is a property of all material objects.

Ocean tides of low amplitude that occur at first and third quarter Moons are called ____________________.

Imagine you are travelling though the asteroid belt. Which of the following would you expect to observe?

Why were Mercury and Venus treated differently from the other known planets in Ptolemy's geocentric model of the universe?

Which of the following statements is implied by Kepler's first law of planetary motion?

Why did ancient astronomers believe that the Earth did not move?

Kepler discovered that planets move at uniform speeds along elliptical orbits.

According to Kepler's third law, a planet's orbital period ____________________ is equal to its average distance from the Sun ____________________.

The Scale of the Cosmos: Space and Time

Users Guide to the Sky: Patterns and Cycles

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

According to Kepler's third law, a planet's orbital period is equal to its average distance from the Sun .