The vent is near the center of the bright and dark

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Unformatted text preview: d was also detected by the Hubble Space Telescope. The second plume, seen near the terminator (boundary between day and night), is called Prometheus after the Greek fire god (see inset at lower right). The shadow of the 75-kilometer (45- mile) high airborne plume can be seen extending to the right of the eruption vent. The vent is near the center of the bright and dark rings. The Prometheus plume can be seen in every Galileo image with the appropriate geometry, as well as every such Voyager image acquired in 1979. It is possible that this plume has been continuously active for more than 18 years! Tidal flexing provides Io’s internal heat ‣ Jupiter’s gravity deforms Io tidal bulges on its near and far sides ‣ Bulges are largest when Io in nearest Jupiter in its elliptical orbit changing bulges flexes Io Credit: Nick Strobel, ‣ Creates ‣ The ‣ Heats Io’s interior ‣ Like kneading dough warms it up Jupiter’s gravity creates tidal bulges on Io. Bulges are largest when Io...
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This note was uploaded on 10/23/2013 for the course ASTR 100 taught by Professor Dunne during the Fall '12 term at University of Illinois, Urbana Champaign.

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