?

SAT® Subject Test in Physics

Free Version

Upgrade subject to access all content

Moderate

What's True for the Astronaut

SATPHY-1YQXV1

An astronaut on a fast-moving spaceship appears to age only 1 year to an outside observer, even though the person travels for 5 years from the observer’s perspective. The astronaut travels a distance of $X$ during this time, from the observer's perspective.

Which of the following is true from the astronaut's perspective?

A

The astronaut ages 5 years during the trip.

B

The distance the astronaut travels is $X$.

C

The distance the astronaut travels is greater than $X$.

D

The distance the astronaut travels is less than $X$.

E

The astronaut ages more than 5 years during the trip.