Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993azh....70..623s&link_type=abstract
Astronomicheskij Zhurnal (ISSN 0004-6299), vol. 70, no. 3, p. 623-634.
Astronomy and Astrophysics
Astrophysics
4
Astronomical Photometry, Comets, Hypervelocity Impact, Lunar Dust, Lunar Surface, Surface Properties, Lunar Soil, Magnetic Anomalies, Remote Sensing
Scientific paper
Photometric analysis of the diffuse structure of Reiner-gamma on the lunar surface from images obtained with the Zond-6 space vehicle, as well as additional remote-sensing data have shown that the reflecting layer of this formation has anomalous features. It is argued that an extraordinary compaction of the dust component of the lunar soil occurred. The prevalence of immature soil in the upper layer is evidence of the young age of the anomaly. Known cases of the artificial compaction of the lunar soil are used to show that the Reiner-gamma albedo anomaly can be considered an imprint of a single cometary impact that occurred 40 x 10 exp 6 yr ago. This epoch coincides with that of periodic global catastrophes possibly caused by the effect on the stability of Oort's cloud of external factors causing the massed cometary intrusion into the inner part of the solar system.
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