At the longest look-back times, we see ____. a. redshifted ...

[audragclark]

At the longest look-back times, we see ____.
 
  a. redshifted irregular galaxies
 b. redshifted dwarf elliptical galaxies
  c. redshifted dwarf spiral galaxies
 d. blueshifted dwarf spiral galaxies
 e. blueshifted dwarf elliptical galaxies

Question 2

Light-gathering power is proportional to the _______________ of the telescope primary lens or mirror.
 
  Fill in the blank(s) with correct word

[31809pancho]

Answer to Question 1

a

Answer to Question 2

area

[audragclark]

TYSM

[ghepp]

Thanks for the timely response, appreciate it