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The Far-UV Albedo of Europa From HST Observations

Hendrix, A. R.; Saur, J.; Roth, L. +3 more

We present an analysis of Europa's far-UV spectral albedo using observations during the 1999-2015 time period made by the Space Telescope Imaging Spectrograph on the Hubble Space Telescope. Disk-integrated observations show that the far-UV spectrum in the 130 to 170-nm range is relatively flat or slightly blue (increasing albedo with decreasing wa…