Encyclopedia of the Solar System 2nd ed

280 Encyclopedia of the Solar System 01 1 1 0 2 2 2 K-Ar Age [Ga] 3 3 3 4 4 4 5 5 H Chondrites (508) L Chondrites U-Th-He Age [G ...

Meteorites 281 have been studied by the Pb–Pb, Rb–Sr, and Nd–Sm tech- niques, and results for them are consistent with an age of ...

282 Encyclopedia of the Solar System FIGURE 21 A French Southern and Antarctic Territories stamp illustrating a micrometeorite o ...

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 ...

284 Encyclopedia of the Solar System Semimajor Axis < 1.0 AU Perihelion < 1.02 AU Earth Crossing Apollo Semimajor Axis < ...

Near-Earth Objects 285 FIGURE 3 Clearing Out the Solar Nebula: The First Planetesimels. Painting by William K. Hartmann, reprint ...

286 Encyclopedia of the Solar System FIGURE 4 “Dinosaur’s Demise.” (Painting by Don Davis. Reprinted with permission.) relative ...

Near-Earth Objects 287 the orbit, over time, evolving into one crossing a planet’s orbit, the subject of this chapter. 3.1 Relat ...

288 Encyclopedia of the Solar System FIGURE 6 Orbit of Tagish Lake meteorite with other recovered meteorite orbits. (Credit:AAAS ...

Near-Earth Objects 289 FIGURE 7 Tisserand parameter. The solid line represents the Tisserand parameter with a value of 3. (Graph ...

290 Encyclopedia of the Solar System warming by the Sun causes asteroids of all sizes to reradiate their heat back into space. B ...

Near-Earth Objects 291 FIGURE 9 The Torino scale was designed for the press and public to assess the hazard of a discovered NEO. ...

292 Encyclopedia of the Solar System the inventory, but there are inherent limitations in search techniques. Consider setting ou ...

Near-Earth Objects 293 been measured for some of the brighter near-Earth objects. Large phase coefficients indicate a very rough ...

294 Encyclopedia of the Solar System Some near-Earth objects’ shapes have been interpreted as being two bodies stuck together an ...

Near-Earth Objects 295 andMpandmsare the mass of the primary and secondary and are solved for as a sum. Using this expression, t ...

296 Encyclopedia of the Solar System absorption bands that are common in silicate minerals. The broad band at 1μm of asteroid 56 ...

Near-Earth Objects 297 FIGURE 14 A montage of images showing structural features on 433 Eros. Shallow troughs are partially fill ...

298 Encyclopedia of the Solar System FIGURE 15 Gamma ray spectra of the surface of 433 Eros. (Credit: NASA/JHU/APL.) spectromete ...

Near-Earth Objects 299 a collision course with Earth. Arthur C. Clarke used this scenario in his 1994 bookThe Hammer of Godand H ...