Mathematics – Probability
Scientific paper
Apr 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998exdu.work..278j&link_type=abstract
Exozodiacal Dust Workshop, p. 278
Mathematics
Probability
Comet Tails, Meteoroid Concentration, Meteoroid Showers, Leonid Meteoroids, Zodiacal Dust, Tempel 2 Comet, Size Distribution, Meteoroid Dust Clouds, Grain Size, Space Observations (From Earth), Infrared Imagery, Aircraft Instruments
Scientific paper
In November of 1998 (or in 1999 with about equal probability) will be our one chance in a lifetime to anticipate with some certainty the occurrence of a meteor storm. For a period of up to 2 hours, rates are expected to increase above 1 meteor per second for a naked eye observer. At that time, Earth passes through the outer regimes of the dust trail of comet 55P/Tempel-Tuttle. The high meteor flux offers unprecedented precision in characterizing the dust trail in terms of spatial and particle size distributions of dust grains and allows the measurement of composition, morphology and orbits of individual cometary grains relatively soon after ejection from the comet. By using the Earth's atmosphere as a detector for the dust trains, grains are sampled over a wide mass range, from the typical grain size of zodiacal dust (40 - 200 micron) up until the rare boulders that can still be lifted off the comet nucleus.
Butow S.
Jenniskens Peter
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