Astronomy › Section Q · The death of stars › Topic Q.3
Supernova observations
Supernovae are rare in any one galaxy, yet their light, their debris and even their neutrinos have been caught. From medieval guest stars to the nearby blast of 1987, observations have tested the theory of how massive stars die.
In this topic
- Guest stars
- Supernovae in history
- How bright and how fast
- Worked example: a growing remnant
- Supernova 1987A
- Neutrinos arrive first
- Radioactive light
- Worked example: fading with cobalt
- The remnant of SN 1987A
- Watching for the next one
- Common mistakes to avoid
- Key takeaways
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