Question

Although a light-year is a unit of distance, it is also helpful in determining

A) age
B) magnitude
C) luminosity
D)
astronomical units,
Can I pls get a helping hand fast because it is due In a couple of minutes pls and thank u

Answer 1

astronomical units

Step-by-step explanation:

it is used to see how far away a planet really is by measuring it with light and how fast and far it travels to hit the planet.

Answer 2

It's age

Step-by-step explanation:

I did it and the answer was age