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Related Experiment Videos

Explosive nucleosynthesis in stars.

W D Arnett1, D D Clayton

  • 1Rice University, Houston, Texas, USA.

Nature
|August 22, 1970
PubMed
Summary
This summary is machine-generated.

Naturally occurring nuclei likely formed in stellar explosions. These events suggest massive stars were the origin of elements with masses between 20 and 62.

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Area of Science:

  • Nuclear astrophysics
  • Stellar evolution

Background:

  • Nucleosynthesis describes the creation of chemical elements.
  • Understanding the origin of elements is a fundamental question in astrophysics.

Purpose of the Study:

  • To present evidence for the explosive origin of naturally occurring nuclei.
  • To hypothesize the origin of nuclei within a specific mass range (20 <= A <= 62).

Main Methods:

  • Review of recent nucleosynthesis calculations.
  • Analysis of required physical conditions (temperature, density, expansion rate).

Main Results:

  • Calculations strongly support an explosive origin for naturally occurring nuclei.
  • Physical conditions indicate that evolved massive stars were the progenitors.

Related Experiment Videos

  • A new table hypothesizes the origin of nuclei with 20 <= A <= 62.

    • Conclusions:

    • Explosive events in massive stars are the likely source of naturally occurring nuclei.
    • This study provides a framework for understanding the origin of elements in the specified mass range.