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Measuring the meteoroid environments of the planets with meteor detectors on Earth

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doi: 10.3847/1538-3881/aa77fe
Authors:Wiegert, Paul; Brown, Peter; Pokorny, Petr; Lenartowicz, Karina; Krzeminski, Zbyszek
Author Affiliations:Primary:
University of Western Ontario London, Department of Physics and Astronomy, London, ON, Canada
Other:
Catholic University of America, Department of Physics, Washington, DC, United States
Volume Title:Astronomical Journal (New York)
Source:The Astronomical Journal (New York), 154(1). Publisher: IOP Publishing for American Institute of Physics, Bristol, United Kingdom. ISSN: 0004-6256
Publication Date:2017
Note:In English. 31 refs.; illus., incl. 1 table
Summary:We describe how meteors recorded at the Earth can be used to partly reconstruct the meteoroid environments of the planets if a large sample (i.e., millions of orbits at a minimum) is available. The process involves selecting from the Earth-based sample those meteors that passed near a planet's orbit prior to arriving at Earth, and so carry information about the planetary meteoroid environment. Indeed, this process can be extended to any location in the solar system, though some regions of space are better sampled than others. From such a reconstruction performed with data from the Canadian Meteor Orbit Radar, we reveal that Mars has apex, helion, anti-helion, and toroidal sporadic sources, much as Earth does. Such reconstructions, albeit partial, have the potential to provide a wealth of detail about planetary meteoroid environments and to allow for the ground-truthing of model meteoroid populations without in situ sampling. Copyright (Copyright) 2017. The American Astronomical Society. All rights reserved.
Subjects:Comets; Cosmic dust; Earth; Giant planets; Interplanetary dust; Interplanetary space; Jupiter; Mars; Mercury; Metals; Meteoroids; Meteorology; Neptune; Obliquity of the ecliptic; Orbits; Outer planets; Planets; Radar methods; Satellites; Saturn; Terrestrial planets; Toroidal mode; Uranus; Venus; Canadian Meteor Orbit Radar
Record ID:809762-40
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute. Reference includes data supplied by IOP Publishing Ltd., London, United Kingdom
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