Researchers recently mapped out the magnetic field of the gargantuan galaxy cluster "El Gordo." The resulting map of swirling magnetic field lines is the largest of its kind.
Space photo of the week: 'El Gordo' galaxy cluster shakes its guts in largest-ever magnetic field map of space : Read more
Space photo of the week: 'El Gordo' galaxy cluster shakes its guts in largest-ever magnetic field map of space : Read more