Neutron Stars: The Most Extreme Objects in the Universe - YouTube - PBS Space Time - astrophysics

Neutron stars have the strongest magnetic fields in the universe.They actually have a solid,crystalline surface and tiny subsurface mountains.Then there is nuclear spaghetti,which is the strongest substance in the universe,as it stands up to the crushing gravity of neutron stars.*Dr.Matt O'Dowd is an Australian astrophysicist and the host and writer or co-writer of PBS Space Time.