Astronomy › Section Q · The death of stars › Topic Q.4
Pulsars and neutron stars
A neutron star packs more than the Sun's mass into a ball the size of a city. It would be almost impossible to see, except that many spin like lighthouses, sweeping beams across the galaxy with clock-like precision.
In this topic
- A star the size of a city
- A bit of scruff
- The lighthouse model
- Worked example: spinning up
- Worked example: why only a neutron star?
- The Crab pulsar
- Pulsars age and wander
- Millisecond pulsars and precise clocks
- Magnetars
- Common mistakes to avoid
- Key takeaways
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