6 ms·

Same physics principles used to measure gravitational waves at LIGO (Laser Interferometer Gravitational-Wave Observatory)but just much, much smaller. Very neat!

• LolWolf 9mo ago
  thanks !
• mturmon 9mo ago
  Michelson interferometry is also used to measure the spatially-resolved velocity and magnetic field of the solar photosphere: https://en.wikipedia.org/wiki/Solar_Dynamics_Observatory https://en.wikipedia.org/wiki/Solar_Dynamics_Observatory -> Instruments