I know that it's possible to calculate the rate at which time flows when in the gravitational field of a single spherical mass.(adsbygoogle = window.adsbygoogle || []).push({});

But how do you calculate the rate when there are two masses or more? How do they add together?

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Schwarzschild Metric with multiple masses

**Physics Forums | Science Articles, Homework Help, Discussion**