Question 1

A geocentric universe is Sun centered.

Accepted Answer

A) True 
 B)False

Question 2

Tycho Brahe's greatest contribution to astronomy was

Accepted Answer

A) his model of the universe. 
B) his telescopic observations. 
C) his discovery of three laws of motion. 
D) his 20 years of careful observations of the planets. 
E) his model of the universe and his telescope observations. 
A) his model of the universe. 
B) his telescopic observations. 
C) his discovery of three laws of motion. 
D) his 20 years of careful observations of the planets. 
E) his model of the universe and his telescope observations.

Question 3

Kepler's first law of planetary motion implies that

Accepted Answer

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

Question 4

A(n) ____ is a commonly accepted set of scientific ideas and assumptions.

Accepted Answer

A) theory 
B) paradigm 
C) hypothesis 
D) natural law 
E) model 
A) theory 
B) paradigm 
C) hypothesis 
D) natural law 
E) model

Question 5

Kepler's second law implies that

Accepted Answer

A) a planet should move at its greatest speed when it is closest to the Sun. 
B) the most massive planets will have the greatest speed in their orbits. 
C) the speed of a planet in its orbit depends on the size of the epicycle. 
D) the mass of the planet determines how far the planet is from the Sun. 
E) the deferent and the epicycle have to be attached to the Sun and not Earth. 
A) a planet should move at its greatest speed when it is closest to the Sun. 
B) the most massive planets will have the greatest speed in their orbits. 
C) the speed of a planet in its orbit depends on the size of the epicycle. 
D) the mass of the planet determines how far the planet is from the Sun. 
E) the deferent and the epicycle have to be attached to the Sun and not Earth.

Question 6

The Almagest

Accepted Answer

A) is the book that first described the heliocentric solar system. 
B) is a collection of the science and mathematics of the Greeks. 
C) caused the author to be sentenced to house arrest. 
D) is a book of astrological myths and predictions produced by the Arabs. 
E) first described the Copernican theory. 
A) is the book that first described the heliocentric solar system. 
B) is a collection of the science and mathematics of the Greeks. 
C) caused the author to be sentenced to house arrest. 
D) is a book of astrological myths and predictions produced by the Arabs. 
E) first described the Copernican theory.

Question 7

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

Accepted Answer

A) the universe could contain centers of motion other than Earth. 
B) Earth might move along an orbit and not leave the Moon behind. 
C) Jupiter was much more massive than Earth. 
D) the universe could contain centers of motion other than Earth, Earth might move along an orbit and not leave the Moon behind, and Jupiter was much more massive than Earth. 
E) the universe could contain centers of motion other than Earth and Earth might move along an orbit and not leave the Moon behind. 
A) the universe could contain centers of motion other than Earth. 
B) Earth might move along an orbit and not leave the Moon behind. 
C) Jupiter was much more massive than Earth. 
D) the universe could contain centers of motion other than Earth, Earth might move along an orbit and not leave the Moon behind, and Jupiter was much more massive than Earth. 
E) the universe could contain centers of motion other than Earth and Earth might move along an orbit and not leave the Moon behind.

Question 8

A(n) ____________________ is a circle whose center moves in a circular orbit around the Earth.

Accepted Answer

The answer of A(n) ____________________ is a circle whose center...

Question 9

Kepler's first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

Accepted Answer

A) True 
 B)False

Question 10

How did the geocentric model and the heliocentric model of the universe explain retrograde motion

Accepted Answer

The geocentric model relied on epicycles

Question 11

The orbit of the planet Jupiter is an ellipse with the Sun at one focus. What is located at the other focus

Accepted Answer

A) the asteroid belt 
B) Earth 
C) Saturn 
D) Jupiter 
E) nothing 
A) the asteroid belt 
B) Earth 
C) Saturn 
D) Jupiter 
E) nothing

Question 12

If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

Accepted Answer

A) True 
 B)False

Question 13

Why does Ptolemy include epicycles in his model

Accepted Answer

To account for retro

Question 14

Copernicus proposed that Earth moved around the Sun.

Accepted Answer

A) True 
 B)False

Question 15

Which produces tides on Earth

Accepted Answer

A) Moon 
B) Sun 
C) Moon and Sun 
D) None of the other choices are correct. 
A) Moon 
B) Sun 
C) Moon and Sun 
D) None of the other choices are correct.

Question 16

The force of gravity from one object extends to infinity never going to zero. When we say that gravitation is universal we mean that

Accepted Answer

A) the Earth exerts gravitational force on objects on its surface. 
B) the Earth exerts a gravitational force on its Moon and vice versa. 
C) the Earth, Moon, and Sun exert gravitational forces on each other. 
D) all material objects in the universe exert gravitational forces on one another. 
A) the Earth exerts gravitational force on objects on its surface. 
B) the Earth exerts a gravitational force on its Moon and vice versa. 
C) the Earth, Moon, and Sun exert gravitational forces on each other. 
D) all material objects in the universe exert gravitational forces on one another.

Question 17

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 18

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 19

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

Accepted Answer

A) True 
 B)False

Question 20

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...

A geocentric universe is Sun centered.

Tycho Brahe's greatest contribution to astronomy was

Kepler's first law of planetary motion implies that

A(n) ____ is a commonly accepted set of scientific ideas and assumptions.

Kepler's second law implies that

The Almagest

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

A(n) ____________________ is a circle whose center moves in a circular orbit around the Earth.

Kepler's first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

How did the geocentric model and the heliocentric model of the universe explain retrograde motion

The orbit of the planet Jupiter is an ellipse with the Sun at one focus. What is located at the other focus

If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

Why does Ptolemy include epicycles in his model

Copernicus proposed that Earth moved around the Sun.

Which produces tides on Earth

The force of gravity from one object extends to infinity never going to zero. When we say that gravitation is universal we mean that

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

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

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

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

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

A geocentric universe is Sun centered.

Tycho Brahe's greatest contribution to astronomy was

Kepler's first law of planetary motion implies that

A(n) ____ is a commonly accepted set of scientific ideas and assumptions.

Kepler's second law implies that

The Almagest

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

A(n) ____________________ is a circle whose center moves in a circular orbit around the Earth.

Kepler's first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

How did the geocentric model and the heliocentric model of the universe explain retrograde motion

The orbit of the planet Jupiter is an ellipse with the Sun at one focus. What is located at the other focus

If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

Why does Ptolemy include epicycles in his model

Copernicus proposed that Earth moved around the Sun.

Which produces tides on Earth

The force of gravity from one object extends to infinity never going to zero. When we say that gravitation is universal we mean that

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

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

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

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

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