Interferometry
Light path outside and inside the GRAVITY interferometer
The photons collected by the different telescopes form fringes once they are recombined. The fringes due to the exoplanet are offset with respect to the stellar fringes.
Light path outside and inside the GRAVITY interferometer
The photons collected by the different telescopes form fringes once they are recombined. The fringes due to the exoplanet are offset with respect to the stellar fringes.