Neutron Star

Key Stage 4

An artist's impression of a neutron star with plasma streaming in arcs due to the extremely intense magnetic field.

Meaning

A neutron star is one of the possible last stages of a high mass star's life in which the core has collapsed so much that it has become a single atom made of only neutrons.

About Neutron Stars

After a high mass star has gone supernova the core which remains is crushed so much that the atoms fuse together and all protons turn into neutrons making one single atom made of neutrons.

A neutron star is around 20km in diameter.