Incidence of low-density meteoroids of the Polonnaruwa type
Wickramasinghe, N. C. · Wallis, J. · Wallis, D. H. · Wallis, M. K. · Miyake, N. · Coulson, S. G. · Gibson, Carl H. · Wickramasinghe, J. T. · Samaranayake, A. · Wickramarathne, K. · Hoover, Richard B.
Original · EN
The ingress of micrometeorites of cometary origin with densities below 1 g cm-3 into the Earth could average at least 5 tonne per day. Although much of this is burnt upon entry through the atmosphere as meteors, a non-trivial fraction (10%) which have sizes of 1 m could end up in the form of Polonnaruwa-type meteorites that have mostly gone unnoticed.
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