title: Pvlib get sun zenith angle
body: <p>does pvlib.location.Location.get_solarposition function returns the zenith angle in degrees or radians?
  <a href="https://pvlib-python.readthedocs.io/en/stable/generated/pvlib.location.Location.get_solarposition.html" rel="nofollow noreferrer">https://pvlib-python.readthedocs.io/en/stable/generated/pvlib.location.Location.get_solarposition.html</a></p>