This means that a clock on the surface of the Earth ticks slightly slower than an identical clock in orbit, a difference that has been measured with atomic clocks on airplanes and satellites. Other objects, such as planets or moons, move along the curves created by this distortion, appearing to us as if they are being pulled by gravity.
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General relativity accounted for this discrepancy perfectly, attributing it to the curvature of spacetime caused by the Sun’s immense mass. The theory dictates that time passes more slowly in stronger gravitational fields.
From Mercury’s Orbit to Light Bending The power of Einstein’s framework is perhaps most clearly seen in its explanation of phenomena that Newtonian physics could not resolve. It underpins the concept of an expanding universe and predicts the existence of black holes, regions where spacetime curvature becomes so extreme that not even light can escape.
How Satellite Navigation Systems Compensate for Einstein’s General Relativity
The theory challenges our intuitive notions of reality, forcing us to accept that space is dynamic, malleable, and intertwined with time. While its sibling, special relativity, deals with constant motion in a flat spacetime, general relativity extends these ideas to include acceleration and gravitation, redefining our understanding of the universe itself.
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