[填空题]
Suppose a news report sta 7bmq5s5u i*jcted that starship En dbncyub/73 j8g9 bfs9terprise had just returned from a 5-year voyage while traveling at 0.84c. f9bsjdyg 3nc 97b/b8u (a) If the report meant 5.0 years of Earth time, how much time elapsed on the ship? $\Delta t_0$ = yr
(b) If the report meant 5.0 years of ship time, how much time passed on Earth? $\Delta t$ = yr