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Could time and space have mass?


Connor195

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im not a scientist  or anything of the sort so il have to put this relatively simply, since gravity only effects things with mass and a black hole which has a massive amount of gravity can effect space and time, does space and time have mass? and therefore couldn't it be detectable with the right equipment?

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A couple of things... Gravity can affect things that don't have mass. For example, photons are affected, which is why we get gravitational lensing.

The reason for this is the second point: it isn't that gravity affects time and space, it is more that the presence of mass (and energy) changes the geometry of space-time and we perceive this as the force we call gravity. It is the curvature of space-time that causes photons to change their path as well as things to fall to the ground.

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