Question 1

Which of the following describes parallax?

Accepted Answer

A) It is best measured over exactly one year intervals. 
B) It is inversely proportional to the distance to the star. 
C) It was first observed by Galileo with his new telescope. 
D) It is only applicable to objects within the solar system. 
E) It is more accurate as the distances to objects become greater. 
A) It is best measured over exactly one year intervals. 
B) It is inversely proportional to the distance to the star. 
C) It was first observed by Galileo with his new telescope. 
D) It is only applicable to objects within the solar system. 
E) It is more accurate as the distances to objects become greater.

Question 2

Why are some solar eclipses total, and others annular?

Accepted Answer

The Moon's orbit is not a perf

Question 3

Where on Earth can you observe all the stars in the sky over an entire year?

Accepted Answer

A) North Pole 
B) Arctic Circle 
C) Tropic of Cancer 
D) Equator 
E) Everyone on Earth can see the whole sky. 
A) North Pole 
B) Arctic Circle 
C) Tropic of Cancer 
D) Equator 
E) Everyone on Earth can see the whole sky.

Question 4

Describe how Erastothenes measured the circumference of our planet.

Accepted Answer

Using the fact that the noon solstice Su

Question 5

Over the course of a night, Polaris moves less than any other visible star in the sky.

Accepted Answer

A) True 
 B)False

Question 6

Of all visible objects in the celestial sphere, which appears to move the least? Why?

Accepted Answer

Polaris, because it lies very

Which of the following describes parallax?

Why are some solar eclipses total, and others annular?

Where on Earth can you observe all the stars in the sky over an entire year?

Describe how Erastothenes measured the circumference of our planet.

Over the course of a night, Polaris moves less than any other visible star in the sky.

Of all visible objects in the celestial sphere, which appears to move the least? Why?

The Copernican Revolution: The Birth of Modern Science

Radiation: Information From the Cosmos

Spectroscopy: the Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

Mars: a Near Miss for Life

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Gas and Dust Among the Stars

Star Formation: a Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae, Supernovae, and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone

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Exam 1: Charting the Heavens: The Foundations of Astronomy

Which of the following describes parallax?

Why are some solar eclipses total, and others annular?

Where on Earth can you observe all the stars in the sky over an entire year?

Describe how Erastothenes measured the circumference of our planet.

Over the course of a night, Polaris moves less than any other visible star in the sky.

Of all visible objects in the celestial sphere, which appears to move the least? Why?

The Copernican Revolution: The Birth of Modern Science

Radiation: Information From the Cosmos

Spectroscopy: the Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

Mars: a Near Miss for Life

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Gas and Dust Among the Stars

Star Formation: a Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae, Supernovae, and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone

Filters