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Does dark matter interact with the kind of matter we're made of? Astrophysicists have long puzzled over the relationship between dark matter and the visible (or baryonic)  matter that comprises stars, galaxies, and everything else we can directly observe. In a study recently published in the journal The Astrophysical Journal, researchers explain how the two types of matter interact.

The authors of the study suggest that dark matter communicates with visible matter through a unique method called “non-minimal coupling with gravity.” This method allows the dark matter to directly couple with Einstein Tensor, a curvature in spacetime that follows the laws of conservation of energy and momentum. Einstein tensor is mentioned in Einstein's field equations originally published in the year 1915. 

If the researchers are right, then it makes sense that dark matter wouldn't interact with spacetime the way baryonic matter does. 

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