Strewn field

As stray field an area is designated, in which meteorites or tektites have spread as a result of an impact. Even satellites that break during re-entry into the atmosphere, can produce a rubble strewn field. A common corpus of geometric shape of the stray field is the so-called scattering ellipse. It arises as a rule, as a meteoroid hits at an angle to the ground and shatters into the atmosphere ( fragmented). Smaller fragments have a lower mass relative to the surface and are therefore more strongly decelerated by the air resistance. In the debris swarm the small parts are left behind and are most influenced by wind. The fragments are distributed in an elliptical shape, with the smaller pieces at the beginning of the ellipse fall, while the larger meteorites mark the end. From the distribution of meteor masses and the shape of the scattering ellipse, the direction and the angle of entry of the meteoroid can thus be approximately reconstructed.

Swell

  • Hills, J. G.; Goda, MP: The fragmentation of small asteroids in the atmosphere, 1993 ( PDF);
  • Artemieva, N.; Pierazzo, E.: The Canyon Diablo impact event: Projectile motion through the atmosphere, 2009;
  • Ceplecha, Z.; Spurny, P.; Borovička, J.; Keclikova, J.: Atmospheric fragmentation of meteoroids, 1993;
  • Borovička, J.; Popova, O. P.; Nemtchinov, I. V.; Spurn'y, P.; Ceplecha, Z.: Bolides produced by impacts of large meteoroids into the Earth 's atmosphere: comparison of theory with observations. I. Benesov bolide dynamics and fragmentation, 1998;
  • Bronshten, Vitaly Aleksandrovich: Physics of meteoric phenomena, 1983, Lal, D.; Trivedi, JR: Observations on the spatial distribution of meteorite fragments in the Dhajala strewnfield, 1977;
  • Dod, B. D.; Sipiera, PP: Review of the Plainview, Texas Meteorite Finds with Additional Data on Strewnfield Distribution Patterns, 1988
  • Impactite
751679
de