Question 1

Process of Science: How could you show that the seasons depend on the tilt of the Earth rather than the distance the Earth is from the Sun?

Accepted Answer

You could fly across the equat...

Question 2

It is possible to see the third-quarter Moon near the western horizon at sunrise.

Accepted Answer

A) True 
 B)False

Question 3

If it is midnight in New York,it is

Accepted Answer

A)  daytime in Sydney,Australia.
B)  midnight in Sydney,Australia.
C)  midnight in Los Angeles.
D)  midday in Rio de Janeiro,Brazil.
E)  midnight everywhere.

Question 4

At approximately what time would a first quarter Moon rise?

Accepted Answer

A)  6 A.M.
B)  9 A.M.
C)  noon
D)  6 P.M.
E)  midnight

Question 5

Why do we have seasons on Earth?

Accepted Answer

A)  As Earth goes around the Sun and Earth's axis remains pointed toward Polaris,the Northern and Southern hemispheres alternately receive more and less direct sunlight.
B)  The tilt of Earth's axis constantly changes between 0 and 23 1/2°,giving us summer when Earth is tilted more and winter when it is straight up.
C)  Earth's distance from the Sun varies,so that it is summer when we are closer to the Sun and winter when we are farther from the Sun.
D)  Seasons are caused by the influence of the planet Jupiter on our orbit.

Question 6

We can describe a location on Earth's surface by stating its

Accepted Answer

A)  altitude and direction (or azimuth) .
B)  meridian and longitude.
C)  latitude and direction.
D)  latitude and longitude.

Question 7

You can find the tilt of Earth's axis by measuring the angle between your horizon and the North Star.

Accepted Answer

A) True 
 B)False

Question 8

We can't detect stellar parallax with naked-eye observations.Which of the following would make parallax easier to observe?

Accepted Answer

A)  increasing the size of Earth's orbit
B)  speeding up Earth's rotational motion
C)  slowing down Earth's rotational motion
D)  speeding up the precession of Earth's axis
E)  getting away from streetlights

Question 9

Stars that are visible in the local sky on any clear night of the year,at any time of the night,are called

Accepted Answer

A)  bright.
B)  seasonal.
C)  circumpolar.
D)  celestial.

Question 10

Suppose you use the Southern Cross to determine that the south celestial pole appears 40 degrees above your horizon.Then you must be located at

Accepted Answer

A)  latitude 40 degrees north.
B)  latitude 50 degrees south.
C)  latitude 40 degrees south.
D)  longitude 40 degrees.

Question 11

What is the Saros cycle?

Accepted Answer

A)  the roughly 6-month period between eclipse seasons
B)  the 18-year cycle over which the pattern of eclipses repeats
C)  the period between total solar eclipses
D)  the period between a total solar eclipse and a total lunar eclipse
E)  the period between eclipses

Question 12

During the time that a planet is in its period of apparent retrograde motion,

Accepted Answer

A)  the planet moves backwards (clockwise as viewed from above Earth's north pole) in its orbit of the Sun.
B)  the planet appears to rise in the west and set in the east,rather than the usual rising in the east and setting in the west.
C)  over many days or weeks,the planet moves westward relative to the stars,rather than the usual eastward relative to the stars.
D)  the planet is getting closer to the Sun in its orbit.

Question 13

Consider the following statement,and explain whether or not it is sensible: Although all the known stars appear to rise in the east and set in the west,we might someday discover a star that will appear to rise in the west and set in the east.

Accepted Answer

This statement does not make s...

Question 14

The Milky Way can be seen only from the Northern Hemisphere.

Accepted Answer

A) True 
 B)False

Question 15

Process of Science: Your friend hypothesizes that the phases of the Moon are produced by Earth's shadow being cast on the Moon's surface.Devise an experiment to prove your friend wrong.Describe an observation you will make (time of day/night,location in sky)and describe what you will see that will clearly demonstrate that your friend's idea cannot be correct.

Accepted Answer

If you observe any time when the Moon an...

Question 16

Suppose you lived on the Moon near the center of the face that we see from Earth.During the phase of full Moon,what phase would you see for Earth? Would it be day or night at your home?

Accepted Answer

During the full Moon...

Question 17

Columbus was the first person to discover that Earth is round.

Accepted Answer

A) True 
 B)False

Question 18

It's 6 a.m.and the Moon is at its highest point in your sky (crossing the meridian) .What is the Moon's phase?

Accepted Answer

A)  new
B)  first quarter
C)  full
D)  third quarter

Question 19

Suppose you live in the United States and you see a crescent Moon in your evening sky tonight.What will a friend in South America see tonight?

Accepted Answer

A)  Your friend will see a gibbous Moon.
B)  Your friend will also see a crescent Moon.
C)  Your friend will see a first quarter Moon.
D)  Your friend won't see the Moon tonight,because it is up only in the morning.

Question 20

When traveling north from the United States into Canada,you'll see the North Star (Polaris) getting

Accepted Answer

A)  brighter.
B)  dimmer.
C)  higher in the sky.
D)  lower in the sky.

Exam 2: Discovering the Universe for Yourself

Correct Answer
verified
If you observe any time when the Moon an...
View Answer

Stars that are visible in the local sky on any clear night of the year,at any time of the night,are called

Correct Answer
verified

At approximately what time would a first quarter Moon rise?

Correct Answer
verified

Columbus was the first person to discover that Earth is round.

Correct Answer
verified

You can find the tilt of Earth's axis by measuring the angle between your horizon and the North Star.

Correct Answer
verified

Process of Science: How could you show that the seasons depend on the tilt of the Earth rather than the distance the Earth is from the Sun?

Correct Answer
verified
You could fly across the equat...
View Answer

Suppose you live in the United States and you see a crescent Moon in your evening sky tonight.What will a friend in South America see tonight?

Correct Answer
verified

Why do we have seasons on Earth?

Correct Answer
verified

The Milky Way can be seen only from the Northern Hemisphere.

Correct Answer
verified

We can describe a location on Earth's surface by stating its

Correct Answer
verified

Consider the following statement,and explain whether or not it is sensible: Although all the known stars appear to rise in the east and set in the west,we might someday discover a star that will appear to rise in the west and set in the east.

Correct Answer
verified
This statement does not make s...
View Answer

We can't detect stellar parallax with naked-eye observations.Which of the following would make parallax easier to observe?

Correct Answer
verified

It's 6 a.m.and the Moon is at its highest point in your sky (crossing the meridian) .What is the Moon's phase?

Correct Answer
verified

Suppose you use the Southern Cross to determine that the south celestial pole appears 40 degrees above your horizon.Then you must be located at

Correct Answer
verified

If it is midnight in New York,it is

Correct Answer
verified

Suppose you lived on the Moon near the center of the face that we see from Earth.During the phase of full Moon,what phase would you see for Earth? Would it be day or night at your home?

Correct Answer
verified
During the full Moon...
View Answer

During the time that a planet is in its period of apparent retrograde motion,

Correct Answer
verified

When traveling north from the United States into Canada,you'll see the North Star (Polaris) getting

Correct Answer
verified

What is the Saros cycle?

Correct Answer
verified

It is possible to see the third-quarter Moon near the western horizon at sunrise.

Correct Answer
verified

Exam 2: Discovering the Universe for Yourself

Correct AnswerverifiedIf you observe any time when the Moon an...View AnswerShow Answer

Stars that are visible in the local sky on any clear night of the year,at any time of the night,are called

Correct AnswerverifiedShow Answer

At approximately what time would a first quarter Moon rise?

Correct AnswerverifiedShow Answer

Columbus was the first person to discover that Earth is round.

Correct AnswerverifiedShow Answer

You can find the tilt of Earth's axis by measuring the angle between your horizon and the North Star.

Correct AnswerverifiedShow Answer

Process of Science: How could you show that the seasons depend on the tilt of the Earth rather than the distance the Earth is from the Sun?

Correct AnswerverifiedYou could fly across the equat...View AnswerShow Answer

Suppose you live in the United States and you see a crescent Moon in your evening sky tonight.What will a friend in South America see tonight?

Correct AnswerverifiedShow Answer

Why do we have seasons on Earth?

Correct AnswerverifiedShow Answer

The Milky Way can be seen only from the Northern Hemisphere.

Correct AnswerverifiedShow Answer

We can describe a location on Earth's surface by stating its

Correct AnswerverifiedShow Answer

Consider the following statement,and explain whether or not it is sensible: Although all the known stars appear to rise in the east and set in the west,we might someday discover a star that will appear to rise in the west and set in the east.

Correct AnswerverifiedThis statement does not make s...View AnswerShow Answer

We can't detect stellar parallax with naked-eye observations.Which of the following would make parallax easier to observe?

Correct AnswerverifiedShow Answer

It's 6 a.m.and the Moon is at its highest point in your sky (crossing the meridian) .What is the Moon's phase?

Correct AnswerverifiedShow Answer

Suppose you use the Southern Cross to determine that the south celestial pole appears 40 degrees above your horizon.Then you must be located at

Correct AnswerverifiedShow Answer

If it is midnight in New York,it is

Correct AnswerverifiedShow Answer

Suppose you lived on the Moon near the center of the face that we see from Earth.During the phase of full Moon,what phase would you see for Earth? Would it be day or night at your home?

Correct AnswerverifiedDuring the full Moon...View AnswerShow Answer

During the time that a planet is in its period of apparent retrograde motion,

Correct AnswerverifiedShow Answer

When traveling north from the United States into Canada,you'll see the North Star (Polaris) getting

Correct AnswerverifiedShow Answer

What is the Saros cycle?

Correct AnswerverifiedShow Answer

It is possible to see the third-quarter Moon near the western horizon at sunrise.

Correct AnswerverifiedShow Answer

Correct Answer
verified
If you observe any time when the Moon an...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
You could fly across the equat...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
This statement does not make s...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
During the full Moon...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified