Modified gravity theories extend or alter Einstein’s general relativity to address observational puzzles such as the accelerated cosmic expansion, the nature of dark matter and dark energy, and ...
Neutron stars are laboratories for extreme gravity, dense matter and strong magnetic fields. Modified theories of gravity extend Einstein’s general relativity by introducing new functions of spacetime ...
A gravity well or gravitational well is a conceptual model of the gravitational field surrounding a body in space – the more massive the body, the deeper and more extensive the gravity well associated ...
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