Question 1
1 out of 1 points
What is the angular diameter of the moon as seen in the sky?
Answer
Selected Answer: 30 arcminutes
Correct Answer: 30 arcminutes
Question 2
1 out of 1 points
A celestial object has an angular diameter of 2000 arcseconds as seen in the sky.
If this object is 2.00 x 10^9 m away then what is its linear size?
Answer
Selected Answer: 1.94 x 10^7
m
Correct Answer: 1.94 x 10^7
m
Question 3
1 out of 1 points
How many arcseconds are in 2.5 degrees?
Answer
Selected Answer: 9000
Correct Answer: 9000
Question 4
1 out of 1 points
How long is a parsec?
Answer
