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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{
  "description": "Over the 3\u2010day period from 12 to 14 October, 1990, the sodium abundance in the lunar atmosphere at 80\u00b0 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 \u223c20 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.", 
  "license": "https://creativecommons.org/publicdomain/zero/1.0/legalcode", 
  "creator": [
    {
      "@type": "Person", 
      "name": "Hunten, D. M."
    }, 
    {
      "@type": "Person", 
      "name": "Kozlowski, R. W. H."
    }, 
    {
      "@type": "Person", 
      "name": "Sprague, A. L."
    }
  ], 
  "headline": "A possible meteor shower on the Moon", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "1991-11-01", 
  "url": "https://zenodo.org/record/1231305", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.1029/91gl02543", 
  "@id": "https://doi.org/10.1029/91gl02543", 
  "@type": "ScholarlyArticle", 
  "name": "A possible meteor shower on the Moon"
}
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