main sequence

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English[edit]

Alternative forms[edit]

Proper noun[edit]

main sequence

  1. (astronomy): A major grouping of stars that creates a narrow band from the upper left to the lower right when plotted by luminosity and surface temperature on a Hertzsprung-Russell diagram.
  2. The area on the Hertzsprung-Russell diagram in which the main sequence is located.
  3. Used other than as an idiom: see main,‎ sequence.

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