Nucleosynthesis is an ongoing process.

• Nuclei are still being synthesized in the Universe.

• By measuring life times of unstable nuclei, areas of active nucleosynthesis can be be identified.

• For example:

  • 26Al has a lifetime of 730,000 years.
  • 26Al decays by emitting g rays.
  • The origin of 26AL g rays reveals the locations of active nucleosynthesis.

Data from the GRO satellite

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