Question 1

Galileo's discovery of four moons orbiting provided new support for the ideas of Copernicus.

Accepted Answer

The answer of Galileo's discovery of four moons orbiting provided...

Question 2

Copernicus' Heliocentric theory explains that

Accepted Answer

A)  the Sun lies at one focus of an ellipse. 
B)  Mars will retrograde when it reaches a certain position on its epicycle. 
C)  planetary orbits are elliptical in shape. 
D)  Venus retrogrades when she overtakes us at inferior conjunction. 
E)  all planets lie between the Sun and Earth. 
A)  the Sun lies at one focus of an ellipse. 
B)  Mars will retrograde when it reaches a certain position on its epicycle. 
C)  planetary orbits are elliptical in shape. 
D)  Venus retrogrades when she overtakes us at inferior conjunction. 
E)  all planets lie between the Sun and Earth.

Question 3

Kepler's third law allows us to find the average distance to a planet from observing its period of rotation on its axis.

Accepted Answer

A) True 
 B)False

Question 4

A planet (or comet) will speed up as it approaches the Sun.

Accepted Answer

A) True 
 B)False

Question 5

When a planet's orbit takes it closest to the Sun, it's called

Accepted Answer

A)  aphelion. 
B)  vernal equinox. 
C)  crossing the ecliptic. 
D)  perihelion. 
E)  none of the above; a planet's distance from the Sun never changes. 
A)  aphelion. 
B)  vernal equinox. 
C)  crossing the ecliptic. 
D)  perihelion. 
E)  none of the above; a planet's distance from the Sun never changes.

Question 6

Why was Copernicus' model much simpler than Ptolemy's?

Accepted Answer

To duplicate retrograde motion, Copernic

Question 7

What is meant by the astronomical unit?

Accepted Answer

The astronomical uni

Question 8

Galileo found the rotation period of the Sun was approximately

Accepted Answer

A)  a day. 
B)  a week. 
C)  a month. 
D)  three months. 
E)  a year. 
A)  a day. 
B)  a week. 
C)  a month. 
D)  three months. 
E)  a year.

Galileo's discovery of four moons orbiting provided new support for the ideas of Copernicus.

Copernicus' Heliocentric theory explains that

Kepler's third law allows us to find the average distance to a planet from observing its period of rotation on its axis.

A planet (or comet) will speed up as it approaches the Sun.

When a planet's orbit takes it closest to the Sun, it's called

Why was Copernicus' model much simpler than Ptolemy's?

What is meant by the astronomical unit?

Galileo found the rotation period of the Sun was approximately

Charting the Heavens: the Foundations of Astronomy

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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Exam 2: The Copernican Revolution: the Birth of Modern Science

Galileo's discovery of four moons orbiting provided new support for the ideas of Copernicus.

Copernicus' Heliocentric theory explains that

Kepler's third law allows us to find the average distance to a planet from observing its period of rotation on its axis.

A planet (or comet) will speed up as it approaches the Sun.

When a planet's orbit takes it closest to the Sun, it's called

Why was Copernicus' model much simpler than Ptolemy's?

What is meant by the astronomical unit?

Galileo found the rotation period of the Sun was approximately

Charting the Heavens: the Foundations of Astronomy

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

Filters