There's quite a few people here who seem to think that, well, no it isn't: https://physics.stackexchange.com/questions/709135/does-the-vacuum-really-have-infini

There's quite a few people here who seem to think that, well, no it isn't: https://physics.stackexchange.com/questions/709135/does-the-vacuum-really-have-infinite-energy-density https://physics.stackexchange.com/questions/709135/does-the-...