The time in the satellite is slower because of its speed and faster because there is less gravity. Which difference is stronger?
Asker: Nelson, age 12
Answer
I remember answering that question once. Have a look at:
https://www.ikhebeenvraag.be/vragen/35583/
In short, it depends on the altitude because there are two effects that come into play, a special relativistic and a general relativistic. And both still vary with height (actually with distance from the center of the Earth)
Answered by
prof.dr. Paul Hellings
Department of Mathematics, Fac. IIW, KU Leuven
Catholic University of Leuven
Old Market 13 3000 Leuven
https://www.kuleuven.be/
Old Market 13 3000 Leuven
https://www.kuleuven.be/
.