Chapter 24 - 24.4

When a light wave leaves a region of strong gravity, compared to the same wave leaving a spaceship in empty space, the wave in strong gravity will have

- a longer wavelength - a lower frequency - less energy - a gravitational redshift (all of the above)

According to the general theory of relativity, light and other radiation coming from a white dwarf or a neutron star should (and experiments show that it does) exhibit

a gravitational redshift

From which of the following will a wave of light show the greatest gravitational redshift:

a white dwarf

In 1959, Pound and Rebka did an experiment to test the prediction of Einstein's theory of general relativity about the relationship between the pace of time and the strength of gravity. When two identical atomic clocks, one on the ground floor and one on the top floor, were compared,

the clock on the ground floor ran a tiny bit slower

According to Einstein's general theory of relativity, the stronger a star's gravity,

the slower time runs near it