10.1364/AO.53.005193.m001 András Barta András Barta Alexandra Farkas Alexandra Farkas Dénes Száz Dénes Száz Ádám Egri Ádám Egri Pál Barta Pál Barta József Kovács József Kovács Balázs Csák Balázs Csák István Jankovics István Jankovics Gyula Szabó Gyula Szabó Gábor Horváth Gábor Horváth Media 1: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon Optica Publishing Group 2014 Applied Optics ao Polarization media animal orientation sunlit ski Viking navigation 10 August 2014 twilight polarization transition implication 2014-08-10 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_1_Polarization_transition_between_sunlit_and_moonlit_skies_with_possible_implications_for_animal_orientation_and_Viking_navigation_anomalous_celestial_twilight_polarization_at_partial_moon/4900211 Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)