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Answered: - i was needing help to answer this one please. Here are the


i was needing help to answer this one please.

Here are the questions.

A12: Lunar and Solar Eclipses

Question 1: Why is an eclipse (lunar in this case) not possible at this time?

Question 2: What is the phase of the Moon during a solar eclipse? Hint: Zoom in for a closer view of the Moon.

Question 3: What is the phase of the Moon during a lunar eclipse?

Question 4: The lunar eclipse of June 26, 2010 is only partial because:

Question 5: The date of this total solar eclipse is:

Question 6: Which one of the following statements about this eclipse is correct?

A13: Precession and Nutation

Question 1: What is the precession period of the Earth?s spin axis?

Question 2: What is significant about the diameter of the precession circle?

Question 3: At what time in the past was Vega the North Star?

Question 4: When Hipparchus made his observation in the second century BC, in what constellation was the Vernal equinox in?

Question 5: What is the period of nutation?

F1: Our Star, the Sun

Question 1: Approximately how long does it take for the Sun to complete one rotation?

Question 2: Press the Run Time Forward button and observe the sky?s motion. Where on the Sun are you located?

Question 3: Use the Angular Separation Tool to measure the distance between the Sun and some of its neighbors. About how far away are our neighboring stars?

Question 4: Sometimes the solar images appear smooth and featureless. What does this tell us about the Sun?

F5: The Solar Neighborhood

Question 1: How many of the stars visible are within ten light years of the Sun?

Question 2: Use the Angular Separation Tool to list these stars in order of increasing distance from the Sun.

Question 3: What is the name of that star?

F6: The Hertzsprung-Russell Diagram

Question 1: Which of the following stars is a red giant (usually class K or M)?

Question 2: Which of the following stars is not a main sequence star?

Question 3: Which characteristics best describe the star Antares?

Question 4: Which of the following stars is a class K star with an absolute magnitude of about 5?

 


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