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 a cikin radiyo mai gani da infrared. Ya ba da shawarar cewa wannan ya faru ne saboda ƙarancin rawaya, ƙananan yanayi tare da manyan girgije na cirrus a samansa. Binciken Spectroscopic a cikin 1900s ya ba da alamun farko game da juyawa na Venus. Vesto Slipher yayi ƙoƙari ya canza Doppler na Venus, amma bai iya gano wani juyawa ba. Ya yi tsammani dole ne ya kasance yana da tsawon lokaci fiye da yadda aka yi tunani. Daga baya a cikin 1950s, Radar Maxwell ta gano cewa hotunan ultraviolet sun bayyana cikakkun bayanai da ba a cikin radiyo mai gani da infrared.
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