As We Watch, a Spaceship Passes Us in Time $\Delta$ TThe Crew of the Spaceship Measures the Passage Time and T.The

Multiple Choice

As we watch, a spaceship passes us in time $\Delta$ t.The crew of the spaceship measures the passage time and finds it to be $\Delta$ t'.Which of the following statements is true?

A) " $\Delta$ t is the proper time for the passage and it is smaller than $\Delta$ t'"
B) " $\Delta$ t is the proper time for the passage and it is greater than $\Delta$ t'"
C) " $\Delta$ t' is the proper time for the passage and it is smaller than $\Delta$ t"
D) " $\Delta$ t' is the proper time for the passage and it is greater than $\Delta$ t"
E) "None of the above statements are true."