A solar system dust ring with the earth as its shepherd

ABSTRACT Bodies orbiting in the gravitational fields of galactic, solar or planetary systems often suffer dissipative forces, including tidal interactions and drag resulting from motion

through a gas or from collisions with dust grains. In the early solar nebula, gas drag induces resonance trapping, which may be of importance in the early accretional growth of planets1-3.

By means of numerical integrations, we show here that small dust grains can be temporarily captured into exterior orbit-orbit resonances with the Earth, lasting from less than 10,000 years

to more than 100,000 years. Grains with radii of 30-100 µm, orbiting in planes less than 10° from the plane of the Solar System and with orbital eccentricities of less than 0.3, are captured

most easily. We argue that there should be an approximately toroidal cloud of particles, derived mostly from the asteroid belt, trapped into a variety of these exterior resonances. The

cloud is mostly beyond the Earth's orbit, but includes it. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS

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institutional subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS SUPERNOVA DUST DESTRUCTION IN THE MAGNETIZED TURBULENT ISM Article Open access

28 February 2024 THE RADCLIFFE WAVE IS OSCILLATING Article 20 February 2024 RADIATION-DRIVEN ACCELERATION IN THE EXPANDING WR140 DUST SHELL Article Open access 12 October 2022 REFERENCES *

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AUTHORS AND AFFILIATIONS * Lockheed Engineering and Science Corporation, C23, 2400 NASA Rd 1, Houston, Texas, 77058-3711, USA A. A. Jackson * SN3, NASA Johnson Space Center, Houston, Texas,

77058, USA H. A. Zook Authors * A. A. Jackson View author publications You can also search for this author inPubMed Google Scholar * H. A. Zook View author publications You can also search

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its shepherd. _Nature_ 337, 629–631 (1989). https://doi.org/10.1038/337629a0 Download citation * Received: 30 August 1988 * Accepted: 20 December 1988 * Issue Date: 16 February 1989 * DOI:

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