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

Respuesta :

Answer:

astronomical units

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:

It's age

Explanation:

I did it and the answer was age