Question 1

We get a new and full moon every month. Why don't we get two eclipses every month?

Accepted Answer

The Moon's orbit is tilted 5.2 degrees t...

Question 2

What happens on or about March 20th, and what does the name signify?

Accepted Answer

The vernal equinox, ...

Question 3

Sirius has a parallax of 0.38", while Alpha Centauri's is 0.77." Alpha Centauri is about
as Sirius.

Accepted Answer

twice as c...

Question 4

Over 20,000 stars are visible to the naked eye on the darkest, clearest nights.

Accepted Answer

A) True 
 B)False

Question 5

A star with a right ascension of 2.6 hrs will rise 2.6 hours after the vernal equinox.

Accepted Answer

A) True 
 B)False

Question 6

The interval from new Moon to first quarter is about a(n)

Accepted Answer

A)   hour.
B)   day.
C)   week.
D)   month.
E)   year.

Question 7

Contrast the sidereal and solar days.

Accepted Answer

The Earth rotates once on its axis every...

Question 8

Why are some solar eclipses total, and others annular?

Accepted Answer

The Moon's orbit is not a perfect circle...

Question 9

Pensacola, Florida lies at a latitude of 30 degrees north. Where is Polaris in its sky?

Accepted Answer

30 degrees...

Question 10

A total solar eclipse will only occur when the new moon is both on the ecliptic and at its greatest distance from Earth.

Accepted Answer

A) True 
 B)False

Question 11

The time for the Moon to orbit Earth, relative to the stars is

Accepted Answer

A)   23 hours, 56 minutes.
B)   about 7 days.
C)   27.3 days.
D)   29.5 days.
E)   18 years, 11.3 days.

Question 12

If you are in the Earth's umbra on the Earth's surface, then

Accepted Answer

A)   it is night time.
B)   the Moon is always visible.
C)   it must be a total solar eclipse.
D)   it must be a lunar eclipse of some type.
E)   the Sun is always visible.

Question 13

If we are the Moon's penumbra, then we will see a partial lunar eclipse.

Accepted Answer

A) True 
 B)False

Question 14

The larger the parallax shift, the closer an object is to us.

Accepted Answer

A) True 
 B)False

Question 15

In the scientific method, it is not necessary to test your theory.

Accepted Answer

A) True 
 B)False

Question 16

Why can many more people witness a total lunar eclipse than a total solar eclipse?

Accepted Answer

For a total solar eclipse to be seen, th...

Question 17

Which is longer, the sidereal or synodic month? Why?

Accepted Answer

The synodic month takes an extra two day...

Question 18

The twelve constellations the solar system bodies move through are the

Accepted Answer

A)   equatorial constellations.
B)   stages of heaven.
C)   signs of the zodiac.
D)   galactic equator.
E)   nodes of the ecliptic.

Question 19

What conditions are necessary for a total solar eclipse?

Accepted Answer

The Moon must be at new phase (directly ...

Question 20

If Sirius transits my local meridian tonight at 6:43 PM, when will it transit tomorrow?

Accepted Answer

It will transit at 6...

Exam 1: Charting the Heavens: the Foundations of Astronomy

The twelve constellations the solar system bodies move through are the

Correct AnswerverifiedShow Answer

If we are the Moon's penumbra, then we will see a partial lunar eclipse.

Correct AnswerverifiedShow Answer

A star with a right ascension of 2.6 hrs will rise 2.6 hours after the vernal equinox.

Correct AnswerverifiedShow Answer

What conditions are necessary for a total solar eclipse?

Correct AnswerverifiedThe Moon must be at new phase (directly ...View AnswerShow Answer

Contrast the sidereal and solar days.

Correct AnswerverifiedThe Earth rotates once on its axis every...View AnswerShow Answer

The larger the parallax shift, the closer an object is to us.

Correct AnswerverifiedShow Answer

Pensacola, Florida lies at a latitude of 30 degrees north. Where is Polaris in its sky?

Correct Answerverified30 degrees...View AnswerShow Answer

Over 20,000 stars are visible to the naked eye on the darkest, clearest nights.

Correct AnswerverifiedShow Answer

A total solar eclipse will only occur when the new moon is both on the ecliptic and at its greatest distance from Earth.

Correct AnswerverifiedShow Answer

The interval from new Moon to first quarter is about a(n)

Correct AnswerverifiedShow Answer

If you are in the Earth's umbra on the Earth's surface, then

Correct AnswerverifiedShow Answer

Which is longer, the sidereal or synodic month? Why?

Correct AnswerverifiedThe synodic month takes an extra two day...View AnswerShow Answer

In the scientific method, it is not necessary to test your theory.

Correct AnswerverifiedShow Answer

Sirius has a parallax of 0.38", while Alpha Centauri's is 0.77." Alpha Centauri is about as Sirius.

Correct Answerverifiedtwice as c...View AnswerShow Answer

What happens on or about March 20th, and what does the name signify?

Correct AnswerverifiedThe vernal equinox, ...View AnswerShow Answer

The time for the Moon to orbit Earth, relative to the stars is

Correct AnswerverifiedShow Answer

If Sirius transits my local meridian tonight at 6:43 PM, when will it transit tomorrow?

Correct AnswerverifiedIt will transit at 6...View AnswerShow Answer

Why can many more people witness a total lunar eclipse than a total solar eclipse?

Correct AnswerverifiedFor a total solar eclipse to be seen, th...View AnswerShow Answer

We get a new and full moon every month. Why don't we get two eclipses every month?

Correct AnswerverifiedThe Moon's orbit is tilted 5.2 degrees t...View AnswerShow Answer

Why are some solar eclipses total, and others annular?

Correct AnswerverifiedThe Moon's orbit is not a perfect circle...View AnswerShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The Moon must be at new phase (directly ...
View Answer

Correct Answer
verified
The Earth rotates once on its axis every...
View Answer

Correct Answer
verified

Correct Answer
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30 degrees...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The synodic month takes an extra two day...
View Answer

Correct Answer
verified

Correct Answer
verified
twice as c...
View Answer

Correct Answer
verified
The vernal equinox, ...
View Answer

Correct Answer
verified

Correct Answer
verified
It will transit at 6...
View Answer

Correct Answer
verified
For a total solar eclipse to be seen, th...
View Answer

Correct Answer
verified
The Moon's orbit is tilted 5.2 degrees t...
View Answer

Correct Answer
verified
The Moon's orbit is not a perfect circle...
View Answer