6 days they meet up wikipedia each hme europas gravity

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Unformatted text preview: ance •  Io goes around twice while Europa goes around once •  call this a 2:1 orbit resonance •  every 3.6 days they “meet up” Wikipedia •  each Hme, Europa’s gravity gives Io a “kick” that keeps Io’s orbit elongated Nov. 27 Europa Nov. 27 Europa: Covered with Ice cf. Lec 16 Nov. 27 T B McCord et al. Science (1998) 280:1242-1245 6 11/18/12 Nov. 27 (enhanced color) Nov. 27 Model for Europa probably 2× Earth’s oceans! Nov. 27 7 11/18/12 Ganymede Nov. 27 Callisto Nov. 27 h\p://saturn.jpl.nasa.gov/science/moons/ Nov. 27 8 11/18/12 Nov. 27 Nov. 27 h\p://apod.nasa.gov/apod/ap060215.html Huygens lander h\p://www.esa.int/SPECIALS/Cassini ­Huygens/SEM5KSLJ74G_1.html h\p://solarsystem.nasa.gov/mulHmedia/display.cfm?IM_ID=7383 arHst’s impression Nov. 27 9 11/18/12 Nov. 27 h\p://solarsystem.nasa.gov/mulHmedia/display.cfm?IM_ID=10147 false color! Surface liquid Nov. 27 h\p://solarsystem.nasa.gov/mulHmedia/di...
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