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Alternative Theory of Gravity Makes a Nearly Testable Prediction

While we’re not yet ready to start ruling out alternatives to general relativity, the new work highlights the sorts of things we need to do to be able to test potential replacements. Because relativity has been so successful and seemingly explains so much of what we see, there’s not much space for alternatives to stake out a distinct identity. By putting in the effort to figure out where that rare space may reside, research like this sets up the possibility of ultimately putting some of our ideas to the test.

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