Question 1

The greatest inaccuracy in Copernicus's model of the solar system was that the planets

Accepted Answer

A)  traveled in circular orbits with uniform motion. 
B)  traveled on epicycles whose centers followed orbits around the Sun. 
C)  traveled in elliptical orbits. 
D)  were allowed to travel backwards in their orbits. 
E)  orbited the Sun. 
A)  traveled in circular orbits with uniform motion. 
B)  traveled on epicycles whose centers followed orbits around the Sun. 
C)  traveled in elliptical orbits. 
D)  were allowed to travel backwards in their orbits. 
E)  orbited the Sun. A

Question 2

Using the definitions for neap and spring tides, explain when is the best time to go surfing in one 24-hour day on Earth.

Accepted Answer

Spring tides are the highest of all tides so go surfing near high tide in the daylight hours.

Question 3

Which of the following objects cannot transit (i.e., pass in front of) the Sun as seen from Jupiter?

Accepted Answer

A)  Mars 
B)  Earth 
C)  Saturn 
D)  Mercury 
E)  Venus 
A)  Mars 
B)  Earth 
C)  Saturn 
D)  Mercury 
E)  Venus C

Question 4

The ____ produce(s) tides on the Earth.

Accepted Answer

A)  Moon alone 
B)  Sun alone 
C)  Moon and Sun 
A)  Moon alone 
B)  Sun alone 
C)  Moon and Sun

Question 5

Which law refers to a planet sweeping out equal areas in equal times as it orbits its host star?

Accepted Answer

A)  Kepler's first 
B)  Kepler's second 
C)  Kepler's third 
D)  universal law of gravitation 
A)  Kepler's first 
B)  Kepler's second 
C)  Kepler's third 
D)  universal law of gravitation

Question 6

The ____ of an object is a measure of the amount of matter it contains. On the other hand ____ is a measure of the gravitational force on an object.

Accepted Answer

A)  weight; mass 
B)  mass; weight 
C)  energy; force 
D)  force; energy 
E)  momentum; energy 
A)  weight; mass 
B)  mass; weight 
C)  energy; force 
D)  force; energy 
E)  momentum; energy

Question 7

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

Accepted Answer

A)  more than one year 
B)  one year 
C)  less than one year 
D)  76 years; the same for every comet 
E)  Not enough information is given to determine this. 
A)  more than one year 
B)  one year 
C)  less than one year 
D)  76 years; the same for every comet 
E)  Not enough information is given to determine this.

Question 8

Explain why the spring and neap tides occur periodically.

Accepted Answer

Twice a month, at new Moon and at full M

Question 9

Classical Greek astronomers believed the motions of the heavens could be described by uniform circular motion.

Accepted Answer

A) True 
 B)False

Question 10

The purpose of using epicycles and deferents to explain the motion of the planets in the night sky was to account for

Accepted Answer

A)  prograde motion. 
B)  Mercury's and Venus's limited angular distance from the Sun. 
C)  retrograde motion. 
D)  non-uniform speed of the planets in their orbits. 
E)  precession of the equinoxes. 
A)  prograde motion. 
B)  Mercury's and Venus's limited angular distance from the Sun. 
C)  retrograde motion. 
D)  non-uniform speed of the planets in their orbits. 
E)  precession of the equinoxes.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

The force due to gravity has the mathematical form   
.

Accepted Answer

A) True 
 B)False

Question 13

If Body A's mass is suddenly doubled, then its gravitational force to Body B decreases.

Accepted Answer

A) True 
 B)False

Question 14

Saturn is on average 10 AU from the Sun. What is the approximate orbital period of Saturn?

Accepted Answer

A)  10 years 
B)  32 years 
C)  100 years 
D)  1000 years 
E)  1,000,000 years 
A)  10 years 
B)  32 years 
C)  100 years 
D)  1000 years 
E)  1,000,000 years

Question 15

If the force on a body is halved then the acceleration of the body

Accepted Answer

A)  increases by half 
B)  increases by double 
C)  decreases by half 
D)  decreases by double 
A)  increases by half 
B)  increases by double 
C)  decreases by half 
D)  decreases by double

Question 16

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

Accepted Answer

A)  the Copernican system assumed the Earth was at rest at the center 
B)  the Copernican system used elliptical planetary orbits 
C)  the Copernican system used uniform circular motion 
D)  the Copernican system assumed all planets orbited the Sun 
A)  the Copernican system assumed the Earth was at rest at the center 
B)  the Copernican system used elliptical planetary orbits 
C)  the Copernican system used uniform circular motion 
D)  the Copernican system assumed all planets orbited the Sun

Question 17

The Ptolemaic model of the universe was heliocentric.

Accepted Answer

A) True 
 B)False

Question 18

In pre-Copernican astronomy, it was almost universally believed that

Accepted Answer

A)  the planets traveled in elliptical orbits about Earth. 
B)  the center of the universe was the Sun with the Milky Way representing other distant planets. 
C)  the Sun was at the center of the universe. 
D)  Earth was at the center of the universe. 
E)  None of the above was believed. 
A)  the planets traveled in elliptical orbits about Earth. 
B)  the center of the universe was the Sun with the Milky Way representing other distant planets. 
C)  the Sun was at the center of the universe. 
D)  Earth was at the center of the universe. 
E)  None of the above was believed.

Question 19

If Copernicus overthrew the geocentric universe, what did Kepler overthrow?

Accepted Answer

uniform ci

Question 20

Ptolemy formulated a(n) ____________________ model of the solar system to predict positions of the Sun, Moon, and planets.

Accepted Answer

The answer of Ptolemy formulated a(n) ____________________ model of the...

The greatest inaccuracy in Copernicus's model of the solar system was that the planets

Using the definitions for neap and spring tides, explain when is the best time to go surfing in one 24-hour day on Earth.

Which of the following objects cannot transit (i.e., pass in front of) the Sun as seen from Jupiter?

The ____ produce(s) tides on the Earth.

Which law refers to a planet sweeping out equal areas in equal times as it orbits its host star?

The of an object is a measure of the amount of matter it contains. On the other hand is a measure of the gravitational force on an object.

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

Explain why the spring and neap tides occur periodically.

Classical Greek astronomers believed the motions of the heavens could be described by uniform circular motion.

The purpose of using epicycles and deferents to explain the motion of the planets in the night sky was to account for

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

The force due to gravity has the mathematical form .

If Body A's mass is suddenly doubled, then its gravitational force to Body B decreases.

Saturn is on average 10 AU from the Sun. What is the approximate orbital period of Saturn?

If the force on a body is halved then the acceleration of the body

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

The Ptolemaic model of the universe was heliocentric.

In pre-Copernican astronomy, it was almost universally believed that

If Copernicus overthrew the geocentric universe, what did Kepler overthrow?

Ptolemy formulated a(n) ____________________ model of the solar system to predict positions of the Sun, Moon, and planets.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

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 4: The Origin of Modern Astronomy

The greatest inaccuracy in Copernicus's model of the solar system was that the planets

Using the definitions for neap and spring tides, explain when is the best time to go surfing in one 24-hour day on Earth.

Which of the following objects cannot transit (i.e., pass in front of) the Sun as seen from Jupiter?

The ____ produce(s) tides on the Earth.

Which law refers to a planet sweeping out equal areas in equal times as it orbits its host star?

The ____ of an object is a measure of the amount of matter it contains. On the other hand ____ is a measure of the gravitational force on an object.

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

Explain why the spring and neap tides occur periodically.

Classical Greek astronomers believed the motions of the heavens could be described by uniform circular motion.

The purpose of using epicycles and deferents to explain the motion of the planets in the night sky was to account for

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

The force due to gravity has the mathematical form .

If Body A's mass is suddenly doubled, then its gravitational force to Body B decreases.

Saturn is on average 10 AU from the Sun. What is the approximate orbital period of Saturn?

If the force on a body is halved then the acceleration of the body

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

The Ptolemaic model of the universe was heliocentric.

In pre-Copernican astronomy, it was almost universally believed that

If Copernicus overthrew the geocentric universe, what did Kepler overthrow?

Ptolemy formulated a(n) ____________________ model of the solar system to predict positions of the Sun, Moon, and planets.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

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

The of an object is a measure of the amount of matter it contains. On the other hand is a measure of the gravitational force on an object.