Drooid Logo
Back to today’s briefing

Story perspectives

Event Horizon Telescope Reveals M87* Magnetic Field Reversal

9/28/2025

41 7

1 of 1

Story summary
  • The Event Horizon Telescope (EHT) finds a reversal in M87*'s magnetic field between 2017 and 2021.
  • Polarized light observations reveal dynamic magnetized plasma near the black hole's horizon.
  • M87* lies 55 million light-years away, mass 6.5 billion solar masses.
  • Future EHT observations aim to produce a 'movie' of M87*, clarifying jets' role in galaxy evolution.