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Main Sequence

A classification of stars that shine via hydrogen thermonuclear fusion in their cores. Such stars are stable, with no major pulsations or variations. Most stars spend the greatest portion of their lives on the main sequence.

Resources

Sun cutaway

Star Color and Energy May 21, 2010

Radio Programs

Moon and Regulus A star in the prime of life December 7, 2017

Moon and Aldebaran Things get complicated for a star September 20, 2016

Moon and Aldebaran Igniting the core of a star July 10, 2015

Vega A middle-aged star with a difference June 5, 2015