1. The following question is found in Student Exercises under part F-The Stars.

Question

1. The following question is found in Student Exercises under part F-The Stars. Click on 'Under F2: Stellar Parallax' and step through the two exercises on parallax. The following question is from the first exercise: 'Measuring stellar parallax'.

What is the correct answer to Question 1? Remember that the angle of parallax is considered to be half of the total angle the star appears to move through.

1 arc second

1 arc minute

2 arc minutes

2 arc seconds

2. Under F2: Stellar Parallax; and 1: Measuring stellar parallax, what is the correct answer to Question 2?

2 parsecs

0.05 parsecs

0.008 parsecs

1 parsecs

May I have some help with these two questions please

Explanation / Answer

1) 1 arc second

2)1 parsecs

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