Encyclopedia of the Solar System 2nd ed

420 Encyclopedia of the Solar System FIGURE 1 Io imaged byGalileo’s Solid State Imaging System on September 7, 1996, at a range ...

Io: The Volcanic Moon 421 mid-20th century, photometric and color data showed that Io is the reddest object in the solar system ...

422 Encyclopedia of the Solar System FIGURE 2 Io’s active volcanoes were discovered from this image, taken byVoyager 1on March 8 ...

Io: The Volcanic Moon 423 These measures, along with changes made in the Deep Space Network (DSN), maximized the amount of data ...

424 Encyclopedia of the Solar System largest active flow field known in the solar system. Io’s large lava flows are possibly ana ...

Io: The Volcanic Moon 425 concentrated toward lower latitudes and follow a bimodal distribution with longitude. According to P. ...

426 Encyclopedia of the Solar System are interpreted to be composed of coarse- to moderate- grained sulfur dioxide that condense ...

Io: The Volcanic Moon 427 critical question about Io’s volcanism—the composition of the erupting magma and crust—remains open. N ...

428 Encyclopedia of the Solar System Earth and from spacecraft have shown that the heat that comes out of Io and is radiated int ...

Io: The Volcanic Moon 429 magnetic field. Io’s atmospheric density is low (about 10−^9 bar), equivalent to good laboratory vacuu ...

430 Encyclopedia of the Solar System 7. Outstanding Questions and Future Exploration On September 21, 2003, theGalileomission ca ...

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432 Encyclopedia of the Solar System FIGURE 1 Global view of Europa’s trailing hemisphere, acquired early in theGalileospacecraf ...

Europa 433 of rock and ice. If the jovian subnebula were cold enough, some lower temperature condensates such as CO 2 could have ...

434 Encyclopedia of the Solar System FIGURE 3 Mutual conjunctions resulting from the Laplace resonance of Io, Europa, and Ganyme ...

Europa 435 FIGURE 4 Galileoimage of a typical portion of Europa’s ridged plains, showing ridges and troughs criss-crossing and o ...

436 Encyclopedia of the Solar System tend to be near theangle of repose(∼ 30 ◦BA, and at some, preexisting topography can be tra ...

Europa 437 to well up beneath the crack, forming ridges, and perhaps inducing partial melting beneath the ridge axis at the same ...

438 Encyclopedia of the Solar System FIGURE 7 An example of a triple band, consisting of a central ridge about 5 km wide that is ...

Europa 439 terrain at terrestrial midocean ridges undergoes normal faulting as it cools and moves away from the ridge crest. On ...