Main-Sequence Evolution

Highlights

• ›Core hydrogen burning — the longest phase of a star's life

Stars, stages & concepts

• The Hertzsprung–Russell Diagram
• The Proton–Proton Chain
• The Sun

Across stellar astrophysics

• Pre-Main-Sequence Evolution
• The Red-Giant Branch
• The Proton–Proton Chain
• The CNO Cycle
• The Hertzsprung–Russell Diagram
• Stellar Structure

Knowledge connections

• Associated withPre-Main-Sequence Evolution
• Associated withThe Hertzsprung–Russell Diagram
• Associated withThe Proton–Proton Chain
• Associated withThe Sun
• Associated withThe Red-Giant Branch
• Associated withThe Proton–Proton Chain
• Associated withThe CNO Cycle
• Associated withThe Hertzsprung–Russell Diagram
• Associated withStellar Structure
• Associated withMain-Sequence Lifetime
• Associated withRelated Concepts

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.