Encyclopedia of the Solar System 2nd ed

220 Encyclopedia of the Solar System FIGURE 9 Dungey’s original 1961 cartoon suggesting the reason for the association of greate ...

The Sun–Earth Connection 221 FIGURE 11 A more detailed illustration of the magnetosphere, showing features mentioned in the text ...

222 Encyclopedia of the Solar System FIGURE 12 (a) Results from a numerical simulation of a CME, showing the distortion of the i ...

The Sun–Earth Connection 223 FIGURE 13 Plot showing the approximate depth of penetration into the atmosphere of energetic electr ...

224 Encyclopedia of the Solar System magnetic field, which can be highly variable during geo- magnetic storms. Changes in the io ...

The Sun–Earth Connection 225 significant that the Earth’s field still maintains an impor- tant higher order harmonic component ( ...

226 Encyclopedia of the Solar System Bibliography Axford, W. I., and C. O. Hines (1961). A unifying theory of high- latitude geo ...

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 ...

228 Encyclopedia of the Solar System FIGURE 1 A composite full-Moon photograph that shows the contrast between the heavily crate ...

The Moon 229 Moon and Sun and so intercepts the light from the Sun. The Moon usually appears red or copper-colored during such e ...

230 Encyclopedia of the Solar System FIGURE 2 A cross section through the Moon in the equatorial plane that shows the displaceme ...

The Moon 231 Craters less than 200 km in diameter have negative Bouguer anomalies for the same reason (e.g., Sinus Iridum has a ...

232 Encyclopedia of the Solar System 3.4 Magnetic Field The lunar rocks contain a stable natural remnant mag- netism. Apparently ...

The Moon 233 FIGURE 6 The nature of the lunar upper surface is illustrated in this view of small pebbles being collected by a ra ...

234 Encyclopedia of the Solar System FIGURE 7 Three sets of curved rills or grabens, each about 2 km wide, concentric to Mare Hu ...

The Moon 235 TABLE 1 Lunar Stratigraphy System Age (billion years) Remarks Copernican 1.0 to present The youngest system, which ...

236 Encyclopedia of the Solar System upper mantle that is distinct from an olivine-rich lower man- tle beneath about a depth of ...

The Moon 237 FIGURE 10 Oblique view of crater Copernicus, 93 km in diameter, showing a central-peak complex and well-developed s ...

238 Encyclopedia of the Solar System FIGURE^12 A mosaic of 1500 ClementineUV VIS images centered on the South Pole, showing the ...

The Moon 239 FIGURE 14 The distribution of major impact basins on (a) the nearside and (b) the farside of the Moon. (Courtesy of ...