An fara binciken ultraviolet na farko a cikin 1920s, lokacin da Frank E. Ross ya gano cewa hotunan ultraviolet sun bayyana cikakkun bayanai waɗanda ba su kasance ba a cikin radiyo mai gani da infrared. Ya ba da shawarar wannan ya kasance saboda ƙarancin rawaya, ƙananan yanayi tare da manyan girgije cirrus sama da shi. Binciken Spectroscopic a cikin 1900s ya ba da alamomi na farko game da juyawa na Venus. Vesto Slipher yayi ƙoƙari ya canza Doppler na Venus, amma bai iya gano wani juyawa ba.
wani yanki mai haske