Neutron stars are very dence objects, so dence that they consist of neutrons. A neutron star occurs when a giant star comes to iron in the fusion procces and it explodes in a supernova, it forms a very dence object with an extreme gravitational force. One teaspoon of matter from a neutron star would weigh as much as mount everest, and neutron stars has a size of approximately 20 kilometers but has a mass up io 1,4 sunmasses. Some neutron stars has rays that shoot up from their poles, they are called pulsars. Pulsars can rotate several times a second, and some neutron stars have a very powerfull magnetic field and are called magnetars. Back