any have grappled with this question since the 1930s, when it became widely accepted that black holes might exist. Einstein’s theory of general relativity tells us that all mass deforms space and time, causing paths taken by particles to bend towards the mass. At the event horizon of a black hole – the boundary in space-time through which matter and light cannot escape once crossed – the deformation of space and time is so strong, there are
Where does light end up when it enters a black hole?
Feb 15, 2024
3 minutes
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