Are There Alternative Theories of Gravity Beyond Newton and Einstein?

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Newton's and Einstein's theories of gravity remain the dominant frameworks, with no truly competitive alternatives emerging. While other theories exist, such as Brans-Dicke, they often rely on adjustable parameters, making them less competitive with General Relativity (GR). The discussion also mentions Verlinde's theory, questioning its classification as a gravity theory. Overall, the consensus is that while alternative theories can align with experimental results, they do not challenge GR's supremacy. The exploration of gravity theories continues, but GR remains the standard.
Atran
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Hi,

All the time I find Newton's and Einstein's theories of gravity. Is there any other competitive one? Any which is competing with GR?

Thanks...
 
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Not really. There are other theories that agree with experiment, but they all have "tuneable" parameters so they are not really competitive with GR.
 
What about Verlinde's? Does it qualify as a theory of gravity?
 

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