The light from one end of the Milky Way galaxy takes about 150,000 years to travel to the other end. Which of these statements is correct about the Milky Way galaxy?

A: The distance between the two ends of the galaxy is 150,000 light years.

B: It would take 150,000 years to photograph one end of the galaxy from the other end.

C: Both ends of the galaxy would meet if they move a distance of 75,000 kilometers each.

D: Both ends of the galaxy would meet if they move towards each other at the rate of 75,000 kilometers per hour.

Question

The light from one end of the Milky Way galaxy takes about 150,000 years to travel to the other end. Which of these statements is correct about the Milky Way galaxy?


A: The distance between the two ends of the galaxy is 150,000 light years.

B: It would take 150,000 years to photograph one end of the galaxy from the other end.

C: Both ends of the galaxy would meet if they move a distance of 75,000 kilometers each.

D: Both ends of the galaxy would meet if they move towards each other at the rate of 75,000 kilometers per hour.

anonymous · Answer

A. distance between both ends are 150k light years. . . because 1 light year= distance traveled by light in one year?
@Rkb<3NH

anonymous · Answer

Thank you! i thought it was A but to be honest i wasent sure and im still not sure because 1light year= is 1 year are you sure?

anonymous · Answer

i light year is the distance travelled by light in one year. . .
if it took 150k years to light to travel from one end to another end it means they are 150k light years apart. . .

anonymous · Answer

okay well thank you