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Optical depth is a concept used in astrophysics and other fields to quantify how opaque a medium is to radiation, such as light. It provides a measure of how much a beam of light is attenuated as it passes through a medium, such as gas or dust.

Ancestors (6)

  1. Scattering, absorption and radiative transfer (optics)
  2. Scattering
  3. Physical phenomena
  4. Concepts in physics
  5. Physics
  6. Home

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