According to Hubble's Law, the greater a galaxy's redshift, the: ...

[bb]

According to Hubble's Law, the greater a galaxy's redshift, the:
 
  A) closer it is to us.
  B) younger it is.
  C) faster it's approaching us.
  D) farther it is from us.
  E) greater its mass.

Question 2

What is the light-gathering power of an 8-inch telescope compared to a 4-inch telescope?
 
  A) 2 better
  B) 4 better
  C) 8 better
  D) 16 better
  E) 32 better

[jordangronback]

Answer to Question 1

D

Answer to Question 2

B

[bb]

Thanks for the timely response, appreciate it

[zacnyjessica]

Great answer, keep it coming