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Noll et al. 1995
Noll, K.S., Weaver, H.A. and Gonnella, A.M. (1995). The albedo spectrum of Europa from 2200 Å to 3300 Å. Journal of Geophysical Research 100: doi: 10.1029/94JE03294. issn: 0148-0227.

We obtained a spectrum of Europa from 2224 to 3302 ¿ with high signal to noise and a resolution of 6.3 ¿ with the Hubble space telescope faint object spectrograph. We detect a broad absorption feature centered at 2800 ¿, seen previously at lower signal to noise in International Ultraviolet Explorer spectra of Europa. No additional absorption features are detected. We compare the observed spectrum to laboratory spectra of sulfur ions in water ice and sulfur dioxide ice on water ice. The absorption in Europa is a closer match to sulfur dioxide ice. The poor fit of ice irradiated by sulfur ions may indicate that a direct source of SO2 is required to explain the observed absorption. ¿ American Geophysical Union 1995

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Keywords
Planetology, Solid Surface Planets, Interactions with particles and fields, Planetology, Solar System Objects, Jovian satellites, Planetology, Solid Surface Planets, Composition
Journal
Journal of Geophysical Research
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American Geophysical Union
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