pyarts3.arts.physics
====================

.. toctree::
  :hidden:

  pyarts3.arts.physics.number_density
  pyarts3.arts.physics.planck

.. automodule:: pyarts3.arts.physics


.. rubric:: Functions


.. list-table:: 

  * - :func:`~pyarts3.arts.physics.number_density`
    - Calculates the atmospheric number density.
  * - :func:`~pyarts3.arts.physics.planck`
    - Calculates the Planck function.