The radar-glory theory for icy moons with implications for radar mapping |
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| Institution: | 1. AP-HP, Service de Dermatologie et Allergologie, Hôpital Tenon, Paris, France;2. Sorbonne Université, UPMC University, Paris, France;3. Service de Dermatologie, Hôpital Saint André, Bordeaux, France;4. Service d’Anatomopathologie, Hôpital Haut Lévèque, Bordeaux, France;5. Department of Dermatology, University of California San Francisco, San Francisco, Calif;6. AP-HP, Service d’Anatomopathologie, Hôpital Tenon, Paris, France;7. Inserm 1135, Centre d''Immunologie et des Maladies Infectieuses (Cimi-Paris), Paris, France |
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| Abstract: | The anomalous radar echoing properties of three ice-clad moons of Jupiter appear to be due to glory-like backscattering from buried craters. The enormous glare from these sources would impair geologic studies based on standard methods of radar mapping. It is not known whether similar or different problems will arise in the radar study of other icy surfaces in the outer solar system, or of the unseen surface of Titan. In any event, the results from the moons of Jupiter illustrate the role of exploratory measurements and the importance of possible bistatic radar-mapping techniques based on the use of separated transmitters and receivers. |
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