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Detectability of Planetary Characteristics in Disk-Averaged Spectra. I: The Earth Model
Meadows, Victoria S.; Crisp, David; Bibring, Jean-Pierre +4 more
Over the next 2 decades, NASA and ESA are planning a series of space-based observatories to detect and characterize extrasolar planets. This first generation of observatories will not be able to spatially resolve the terrestrial planets detected. Instead, these planets will be characterized by disk-averaged spectroscopy. To assess the detectabilit…
Clathrate Hydrates of Oxidants in the Ice Shell of Europa
Hand, Kevin P.; Carlson, Robert W.; Cooper, John F. +1 more
Europa's icy surface is radiolytically modified by high-energy electrons and ions, and photolytically modified by solar ultraviolet photons. Observations from the Galileo Near Infrared Mapping Spectrometer, ground-based telescopes, the International Ultraviolet Explorer, and the Hubble Space Telescope, along with laboratory experiment results, ind…