Black Holes and Photon Rings
Theoretical physicist Alex Lupsasca aims to capture an image of a 'photon ring' surrounding a black hole using a space telescope.
A photon ring is a thin ring of light thought to encircle every black hole, with the potential to reveal secrets from the black hole's edge.
- Black holes are regions of the universe where spacetime is warped, preventing anything from escaping.
- Photons can graze the edge of a black hole without falling in, orbiting it one or more times before breaking away.
- This orbiting light forms the photon ring, which could test Einstein's general theory of relativity.
A mysterious ring of light is thought to surround every black hole.
Alex Lupsasca's pursuit of imaging a photon ring could lead to new insights into black holes and the universe.
Author's summary: Physicist Alex Lupsasca seeks to image a black hole's photon ring.
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