#AAS248

Observing #Arctic #Twilight
iPoster 129.02
Terminal 28 June 15 5:30-6:30 PM PDT

all the colors of cold
civil, #nautical, astronomical twilights
how do we model well the #naturallight available in the subtle between times

#ExploreAstronomy #illuminance #refraction #heliophysics #atmosphericscience #heliophysics #Sun #Moon #Earthatmosphere #astrometry #astronomy #astrophysics