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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.

References

AQA

Neutron stars, page 100, GCSE Physics; The Revision Guide, CGP, AQA
Neutron stars, page 319, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
Neutron stars, pages 252, 253, GCSE Physics, Hodder, AQA

Edexcel

Neutron stars, page 123, GCSE Physics, Pearson Edexcel
Neutron stars, page 188, GCSE Physics, CGP, Edexcel

Beyond the Curriculum