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Meteors

In this subdiscipline: 544 papers
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Popular papers

  1. Recent studies of oxygen isotopes in meteorites are reviewed. Findings by many researchers who have investigated the origin of the isotopic anomalies in oxygen, parent-body processes, nebular processes, chondrites, achondrites, iron meteorites, and…
  2. Asteroids are what is left of the precursors to the terrestrial planets. They are stunning ill their diversity, ranging from charcoal-black worlds the size, of a hilltop, spinning like a carnival ride, to dog-bone-shaped metallic remnants of some…
  3. New data from observations of asteroid mutual perturbation events, observations of aster- oid satellites, and spacecraft encounters have revolutionized our understanding of asteroid bulk density. Most asteroids appear to have bulk densities that are…
  4. Meteorite breccias provide information about impact processes on planetary bodies, their collisional evolution, and their structure. Fragmental and regolith breccias are abundant in both differentiated and chondritic meteorite groups and together…
  5. The discovery of the potentially hazardous near-Earth asteroid (NEA) component of the minor-planet population has been enhanced by better detecting and computing technology. A government mandate to quantify the terrestrial impact hazard and to…
  6. The abundances of the highly siderophile elements (HSE) Ru, Pd, Re, Os, Ir, and Pt were determined by isotope dilution mass spectrometry for 22 ureilite bulk rock samples, including monomict, augite-bearing, and polymict lithologies. This report…
  7. The rotations of asteroids larger than ~40 km in diameter have a distribution close to Maxwellian that suggests that they are either original bodies of the asteroid main belt or its largest, collisionally evolved remnants. Small asteroids (0.15 < D…
  8. We determined proportions of Type I (reduced) and Type II (oxidized) chondrules in ordinary chondrites (OC) and found linear relationships between chondrule abundances and chondrite bulk chemical and oxygen isotopic compositions. Similar…
  9. The importance of the thermal-infrared spectral region for investigations of asteroids lies traditionally in the dependence of the thermal emission of an asteroid on its visual albedo and size. Knowledge of albedos and sizes is crucial in many areas…

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