How long does it take light to travel from the center of the Laniakea Supercluster (5 *10²³ m away) to us? A) 7,000 years B) 54,000 years C) 120,000 years D) 12 million years E) 54 million years

Question

Quizplus · Accepted Answer

The Laniakea Supercluster is approximately 5 x 10^23 meters away. Light travels at a speed of about 3 x 10^8 meters per second. Calculating the time it takes for light to travel this distance gives approximately 54 million years.

How Long Does It Take Light to Travel from the Center