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Re: Micrometeorites

Just an amateurish thought regarding the collection of micrometeorites.
 Since snow flakes, as in raindrops, needs nuclei for condensation to occur,
perhaps gathering a rather large quantity of snow (near surface) from a
field, for example, allowing it to melt in a clean vessel, and filtering
water, will result in collection of  micrometeorites that were used as
nuclei, or were washed-out with other atmospheric dust.  I think snow is less
likely to be contaminated with ground-based impurities given its insolating
properties.