Concept information
Preferred term
Main sequence
Definition
- An evolutionary stage in the life of a star when it generates its energy by the conversion of hydrogen to helium via nuclear fusion in its core. Stars spend 90% of their life on the main sequence. On the Hertzsprung-Russell diagram it appears as a track running from top left (high temperature, high luminosity, high mass) to lower right (low temperature, low luminosity, low mass). (en)
Broader concept
Editorial note
URI
http://astrothesaurus.org/uat/2047
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