Inside the moving compartment of Figure 35.4, light travels a certain distance to the front end and a certain distance to th back end of the compartment. How do these distances compare as seen in the frame of reference of the moving rocket?

F I G U R E 3 5 . 4 From the point of view of the observer who travels inside the compartment, light from the source travels equal distances to both ends of the com partment and therefore strikes both ends simultaneously