Interplanetary dust on the earth's surface

Details Interplanetary dust on the earth's surface Interplanetary dust on the earth's surface

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jbis...85..115s&link_type=abstract

British Astronomical Association, Journal, vol. 85, Feb. 1975, p. 115-119.

Astronomy and Astrophysics

Astronomy

Comets, Earth Surface, Interplanetary Dust, Meteorites, Carbonaceous Meteorites, Chemical Properties, Contamination, Meteoritic Microstructures, Morphology, Planetary Evolution, Spherules

Scientific paper

The extent to which cosmic material can be differentiated from contaminants by examining the physical and chemical nature of the collected dust is reviewed. The dust collected is of cometary origin as most meteors are believed to be cometary. A comparison between the annual fall rate of material from space and the amount of dust collected on the Earth's surface shows the dust to be contaminated. Cosmic dust particles, referred to as 'spherules', contain both a core and a shell, so that the existence of a core alone is no proof for the cosmic origin of the dust. Composition of cosmic dust is argued to be the same wherever collected, and carbon is proposed as an additional criterion for assessing cosmic matter. The presence of carbides in industrial spherules calls for limiting the search to sources free of industrial contamination: sedimentary rocks and very old Antarctic ice.

Affiliated with

Also associated with

No associations

Rating

Interplanetary dust on the earth's surface does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Interplanetary dust on the earth's surface, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interplanetary dust on the earth's surface will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-999703