The Photon Ring: An Illumination of Spacetime

Publication information:

2024. “The Photon Ring: An Illumination of Spacetime”

Abstract

The Event Horizon Telescope (EHT) led to the first image of a black hole, M87*. Building on that foundation, the next generation EHT aims to make black hole movies, to understand the effects of black holes on spatial scales as large as a galaxy, and to study “photon rings” made of light that orbits around a black hole. In order to detect photon rings for the first time ever, teams at the Black Hole Initiative and their collaborators across the globe are planning to expand the EHT’s terrestrial network of radio-telescopes into space.

Full text

The Event Horizon Telescope (EHT) led to the first image of a black hole, M87*. Building on that foundation, the next generation EHT aims to make black hole movies, to understand the effects of black holes on spatial scales as large as a galaxy, and to study “photon rings” made of light that orbits around a black hole. In order to detect photon rings for the first time ever, teams at the Black Hole Initiative and their collaborators across the globe are planning to expand the EHT’s terrestrial network of radio-telescopes into space.
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