An astronaut is traveling in a rocket at 90% the speed of light.If she measures 1.0 s between her heart beats,observers in all other intertial reference frames will measure more than 1.0 s between her heart beats.

Question

Quizplus · Accepted Answer

Due to time dilation in special relativity, time appears to pass more slowly for the astronaut from the perspective of observers in other inertial frames.

An Astronaut Is Traveling in a Rocket at 90% the Speed