A spacecraft travels a distance of 10^-3 light-years in 20 hours as measured by an observer stationed on Earth.How long does the journey take as measured by the captain of the spacecraft?

Question

Quizplus · Accepted Answer

Due to time dilation in special relativity, the time experienced by the captain on the spacecraft is shorter than the time measured by the observer on Earth.

A Spacecraft Travels a Distance of 10-3 Light-Years in 20

A Spacecraft Travels a Distance of 10^-3 Light-Years in 20