What property of a galaxy do you need to measure before you can determine its size or luminosity?
A)colour
B)mass
C)shape
D)distance

Name: What property of a galaxy do you need to measure before you can determine its size or luminosity? A)colour B)mass C)shape D)distance
Brand: Quizplus
Rating: 5.0 (41 reviews)

Question

Quizplus · Accepted Answer

The distance to the galaxy needs to be measured before its size or luminosity can be determined. This is because a galaxy's size and luminosity can appear smaller or larger based on how far away it is from us.

What Property of a Galaxy Do You Need to Measure