Why can't the zero value of gravitational potential energy be set at a different point instead of infinite distance?
I quoted it from: https://ned.ipac.caltech.edu/level5/Guth/Guth3.html
Why can't the zero value of gravitational potential energy be set at a different point instead of infinite distance?
I quoted it from: https://ned.ipac.caltech.edu/level5/Guth/Guth3.html