Journal article Open Access

A possible meteor shower on the Moon

Hunten, D. M.; Kozlowski, R. W. H.; Sprague, A. L.


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  <dc:creator>Hunten, D. M.</dc:creator>
  <dc:creator>Kozlowski, R. W. H.</dc:creator>
  <dc:creator>Sprague, A. L.</dc:creator>
  <dc:date>1991-11-01</dc:date>
  <dc:description>Over the 3‐day period from 12 to 14 October, 1990, the sodium abundance in the lunar atmosphere at 80° South increased by 60%, while interspersed measurements at the equator showed no substantial change. The source is suggested to be an unknown meteor shower with a radiant near the south ecliptic pole. A low relative velocity of ∼20 km/sec, combined with small particle masses, would keep the shower below the detectability threshold of radar. The stream could evolve from a reasonable asteroidal or cometary orbit with perihelion somewhat greater than 1 astronomical unit (AU) and a major axis of a few AU. The short residence time of lunar sodium makes it much more favorable than the terrestrial sodium layer for detection of such an event.</dc:description>
  <dc:identifier>https://zenodo.org/record/1231305</dc:identifier>
  <dc:identifier>10.1029/91gl02543</dc:identifier>
  <dc:identifier>oai:zenodo.org:1231305</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/publicdomain/zero/1.0/legalcode</dc:rights>
  <dc:title>A possible meteor shower on the Moon</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>
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