Question

1. if you could travel at the speed of light, how long would it take to travel from one side of the milky way galaxy to the other?(5 points)

Explanation:

Step1: Know the diameter of Milky - Way

The diameter of the Milky - Way galaxy is about 100,000 light - years.

Step2: Recall the definition of light - year

A light - year is the distance that light travels in one year.

Step3: Calculate the time

If traveling at the speed of light, and the distance across the galaxy is 100,000 light - years, then the time taken is 100,000 years.

Answer:

100,000 years