Encyclopedia of the Solar System 2nd ed

340 Encyclopedia of the Solar System FIGURE 13 Alkalis (Na 2 O+K 2 O) versus silica (SiO 2 ) diagram, commonly used to classify ...

Mars: Landing Site Geology, Mineralogy and Geochemistry 341 subrounded clasts that range in size from several meters diameter do ...

342 Encyclopedia of the Solar System FIGURE 16 False color mosaic of star sand dunes in the bottom of Endurance crater. Dark blu ...

Mars: Landing Site Geology, Mineralogy and Geochemistry 343 the resulting shape and characteristics of fresh craters. [See Plane ...

344 Encyclopedia of the Solar System FIGURE 20 Images of rocks from the Columbia Hills in Gusev crater. (a) Pancam image of Wool ...

Mars: Landing Site Geology, Mineralogy and Geochemistry 345 FIGURE 21 Images of Meridiani outcrops acquired by the Opportunityro ...

346 Encyclopedia of the Solar System of reddish dust, as seen by the color change when it is dis- turbed in rover tracks (Fig. 1 ...

Mars: Landing Site Geology, Mineralogy and Geochemistry 347 be lost to space by either solar wind or impact erosion pro- cesses. ...

348 Encyclopedia of the Solar System of change inferred from theViking,Pathfinder, and Gusev cratered plains landing sites, argu ...

100-C 25-C 50-C 75-C C+M 50-C+M C+Y 50-C+Y M+Y 50-M+Y 100-M 25-M 50-M 75-M 100-Y 25-Y 50-Y 75-Y 100-K 25-K 25-19-19 50-K50-40-40 ...

350 Encyclopedia of the Solar System FIGURE 1 The four asteroids that have been imaged by spacecraft flyby: 243 Ida, 951 Gaspra, ...

Main-Belt Asteroids 351 However, discovery is just the first step. Unless an as- teroid is tracked and its orbit reliability det ...

352 Encyclopedia of the Solar System FIGURE 2 Radar image of the asteroid 216 Kleopatra. This irregularly shaped object resemble ...

Main-Belt Asteroids 353 rubble-pile asteroid spins, the more likely that the centrifu- gal acceleration of material at the surfa ...

354 Encyclopedia of the Solar System FIGURE 4 Plot of orbital parameters of numbered asteroids in semimajor axis vs. inclination ...

Main-Belt Asteroids 355 But if Jupiter were responsible for ejecting a large amount of material originally lying in the asteroid ...

356 Encyclopedia of the Solar System Yarkovsky effect described in the next section. [SeeNear- Earth Objects.] 2.3 The Evolution ...

Main-Belt Asteroids 357 observations of a half-dozen recovered chondrites that were photographed falling by camera networks, or ...

358 Encyclopedia of the Solar System substantial internal fracturing, porosity, and an extremely rough and irregular surface. Se ...

Main-Belt Asteroids 359 away some of the primary’s angular momentum, thus drop- ping the rotation back below the fission limit. ...