L☉

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Translingual

Alternative forms

  • The L is not always italic.

Etymology

  • L (luminosity) and subindex (sun).

Symbol

L

  1. (astronomy) solar luminosity: a unit of measurement, equal to the luminosity of the Sun.
    A typical large galaxy at z < 0.1 has a luminosity of about 1010 L.
  2. (sum of parts) The luminosity of the Sun specifically.