An observational technique called ‘beam-forming’ detects exoplanetary radio emissions that allow researchers to calculate exoplanets’ magnetic fields.
Big News! Astrophysics receives a gift. Interferometers at LIGO and Virgo detected gravitational waves coming from two neutron stars merging. This detection not only supports Einstein's theory of relativity, but also teaches us even more about astrophysics that we didn't know before.