Using a black hole to weigh light: can the Event Horizon Telescope yield new information about the photon rest mass?

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It is an exciting time for the study of black holes. The Event Horizon Telescope is due to release the first image of an event horizon, namely that of the black hole Sgr A* at the center of our galaxy (Balick & Brown 1974; Brown 1982). This comes hot on the heels of the first direct detection of a binary black hole merger, using gravitational waves (Abbott et al. 2011).
Original languageEnglish
JournalResearch Notes of the American Astronomical Society
Issue number2
Publication statusPublished - 14 Feb 2019


  • black holes
  • Event Horizon Telescope
  • galazy research
  • gravitational waves


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