Recently i read an article about how a shockwave 60 times larger than milky way galaxy is generated.When these shockwaves interacts with magnetic field, radio waves are emitted. I wanted to know how these radio waves are used to study the magnetic field lines of the merging galaxy clusters?
Here is the link for website - https://scitechdaily.com/astronomers-see-an-enormous-shockwave-60x-bigger-than-the-entire-milky-way-galaxy/