Temporal changes in the flux of meteorites in the recent past

Details Temporal changes in the flux of meteorites in the recent past Temporal changes in the flux of meteorites in the recent past

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978m%26p....18..371g&link_type=abstract

Moon and the Planets, vol. 18, May 1978, p. 371-382.

Physics

1

Flux Density, Lunar Craters, Meteorite Collisions, Meteoroid Concentration, Time Dependence, Apollo Flights, Cosmic Rays, Meteorite Craters, Particle Tracks

Scientific paper

The depth variations of the fossil cosmic ray tracks and agglutinates have been examined in the (0.6-0.7) m deep Apollo 12 and 16 drive cores, in the 2.4 m Apollo 15 deep drill core, and in a 0.6 m long section of the Apollo 17 deep drill core. These data indicate moon-wide short duration episodes of impacts of meteorites of the 10 cm to 1 m size range on the lunar surface. Based on the longest continuous Apollo 15 deep drill core record, these impact episodes occurred about 150, 400 and 700 m.y. ago. The enhancements in the meteorite flux may be due to solar dynamical processes or they may be related to excursions of the solar system, once in each orbit, through a certain dusty region of the galaxy.

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