Question 1

Galileo wrote the Almagest.

Accepted Answer

A) True 
 B)False

Question 2

If a planet orbits the sun at a distance of 4 AU, then its orbital period is 8 years.

Accepted Answer

A) True 
 B)False

Question 3

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...

Question 4

____________________ made very accurate observations of the positions and movements of the planets that were later used to help develop the Rudolphine Tables.

Accepted Answer

The answer of ____________________ made very accurate observations of the...

Question 5

Discuss which of Galileo's observations argued against the geocentric model and which of his discoveries argued for the heliocentric model.

Accepted Answer

Galileo's observations that argued again

Question 6

Tycho's universe was the same as the Copernican universe except that

Accepted Answer

A)  Earth did not move. 
B)  the sun did not move. 
C)  the moon orbited the sun. 
D)  the orbits were elliptical with the sun at one focus. 
E)  the orbits followed uniform circular motion. 
A)  Earth did not move. 
B)  the sun did not move. 
C)  the moon orbited the sun. 
D)  the orbits were elliptical with the sun at one focus. 
E)  the orbits followed uniform circular motion.

Question 7

Which of the following statements best describes Kepler's 3rd law of planetary motion?

Accepted Answer

A)  The smaller the diameter of a planet, the faster its rotational period is. 
B)  The orbital period of a planet is directly proportional to the diameter of the planet. 
C)  The smaller the orbit, the longer its orbital period is. 
D)  The larger the orbit, the longer its orbital period is. 
A)  The smaller the diameter of a planet, the faster its rotational period is. 
B)  The orbital period of a planet is directly proportional to the diameter of the planet. 
C)  The smaller the orbit, the longer its orbital period is. 
D)  The larger the orbit, the longer its orbital period is.

Question 8

When two objects of unequal masses orbit each other, the center of mass is

Accepted Answer

A)  at the center of the more massive object. 
B)  at the center of the least massive object. 
C)  half way between the centers of each object. 
D)  always closer to the less massive of the two objects. 
E)  always closer to the more massive of the two objects. 
A)  at the center of the more massive object. 
B)  at the center of the least massive object. 
C)  half way between the centers of each object. 
D)  always closer to the less massive of the two objects. 
E)  always closer to the more massive of the two objects.

Question 9

Kepler's 2nd law of planetary motion states that the orbits of the planets are ellipses with the sun at one focus.

Accepted Answer

A) True 
 B)False

Galileo wrote the Almagest.

If a planet orbits the sun at a distance of 4 AU, then its orbital period is 8 years.

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

____________________ made very accurate observations of the positions and movements of the planets that were later used to help develop the Rudolphine Tables.

Discuss which of Galileo's observations argued against the geocentric model and which of his discoveries argued for the heliocentric model.

Tycho's universe was the same as the Copernican universe except that

Which of the following statements best describes Kepler's 3rd law of planetary motion?

When two objects of unequal masses orbit each other, the center of mass is

Kepler's 2nd law of planetary motion states that the orbits of the planets are ellipses with the sun at one focus.

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

The Origin of the Solar System

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

Galileo wrote the Almagest.

If a planet orbits the sun at a distance of 4 AU, then its orbital period is 8 years.

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

____________________ made very accurate observations of the positions and movements of the planets that were later used to help develop the Rudolphine Tables.

Discuss which of Galileo's observations argued against the geocentric model and which of his discoveries argued for the heliocentric model.

Tycho's universe was the same as the Copernican universe except that

Which of the following statements best describes Kepler's 3rd law of planetary motion?

When two objects of unequal masses orbit each other, the center of mass is

Kepler's 2nd law of planetary motion states that the orbits of the planets are ellipses with the sun at one focus.

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

The Origin of the Solar System

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