Suppose an Astronaut Is Far from a Planet with a Very

Multiple Choice

Suppose an astronaut is far from a planet with a very strong gravitational field. The astronaut is also watching a clock on the surface of this planet. During the time in which his own clock ticks out a time of 1 hour, how much time does the clock on the planet tick out?

A) less than 1 hour (but more than zero)
B) no time at all
C) more than 1 hour
D) exactly 1 hour, the same as the astronaut's clock