Earth - an interplanetary dustbin

Details Earth - an interplanetary dustbin Earth - an interplanetary dustbin

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976newsc..71...64h&link_type=abstract

New Scientist, vol. 71, July 8, 1976, p. 64-66.

Physics

1

Earth (Planet), Interplanetary Dust, Asteroids, Comets, Dust Collectors, Fireballs, Interplanetary Medium, Meteoroids

Scientific paper

The accumulation of interplanetary dust by the earth is discussed. The cumulative flux of interplanetary matter into the earth's atmosphere in the course of one orbit is estimated to be about 16,000 metric tons, increasing the mass of the planet by about three times ten to the minus sixteen percent per annum. The source of most of this material is decayed comets, and the long-term variability of dust influx depends on the number of comets entering the inner solar system. The average amount of dust entering the solar system each year is estimated to be about 200 million tons.

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