Question

Plz HALP!

The speed of light can be used to measure the _______.

time of a planet's rotation
distance between objects in space
mass of astronomical bodies
densities of stars

Answer 1

Distance Between Objects in Space.

Step-by-step explanation:

I took the test.

Answer 2

between objects in space

Step-by-step explanation:

Light travels super fast; but it still takes a long time to travel between objects in space. This is because distances between objects in space are enormous.