Question 18

A light-year is the distance that light will travel in one Earth year.
True False

Question 19

If all the stars in the universe were the same distance from Earth, we would see how each star’s brightness compares with all the other stars. This is a star's _________.

A)absolute magnitude
B)parallax
C)redshift

Question 20

Our sun has the highest absolute magnitude of any star in our galaxy.
True False

Question 21

The sun has a large negative apparent magnitude and a positive absolute magnitude. What does this mean?

Question

Question 18
 
A light-year is the distance that light will travel in one Earth year.
  True   False

Question 19
 
If all the stars in the universe were the same distance from Earth, we would see how each star’s brightness compares with all the other stars. This is a star's _________.
		
A)absolute magnitude		
B)parallax		
C)redshift

Question 20
 
Our sun has the highest absolute magnitude of any star in our galaxy.
 True   False

Question 21
 
The sun has a large negative apparent magnitude and a positive absolute magnitude. What does this mean?

anonymous · Answer

18 true

anonymous · Answer

18 true, 19 is A, 20 is false, 21 is because the sun is close to us