If photons have no mass, how are black-holes able to suck in light? 601 viewsJanuary 3, 2024 Question90.61K June 3, 2021 0 Comments If photons have no mass, how are black-holes able to suck in light? In: Physics 4 Answers ActiveNewestOldest Anonymous Posted June 3, 2021 0 Comments Photons have no *rest* mass. If you could get them to stand still, they’d literally weigh nothing. But they do have energy, because they’re moving, and mass and energy are related and in certain ways equivalent. A moving photon has mass. You are viewing 1 out of 4 answers, click here to view all answers. Register or Login
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