<p align="right">Last Update: <font color="#4f81bd">November 25, 2024</font></p> ## BIG IDEAS - Time dilation occurs when there is relative motion between observers. - Time passes at different rates for observers moving relative to each other. - Time dilation is not only a result of relative motion but also due to differences in gravitational potential. - Time passes more slowly in stronger gravitational fields. - Time dilation is crucial for the accuracy of GPS satellites. --- >[!note] Hafele-Keating experiment >Atomic clocks flown around the world in airplanes showed time dilation effects predicted by relativity. > ### Related Topics --- [[Home|Home]] | [[The Universe]] | [[Special Relativity]] | [[Length Contraction]] | [[Spacetime]] | [[Mass-Energy Equivalence]]