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A late Miocene dust shower produced by a breakup in the main asteroid belt

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F06%3A00002844" target="_blank" >RIV/00216208:11320/06:00002844 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    A late Miocene dust shower produced by a breakup in the main asteroid belt

  • Original language description

    Throughout the history of the Solar System, Earth has been bombarded by interplanetary dust particles (IDPs), which are asteroid and comet fragments of diameter ~1-1,000 m. The IDP flux is believed to be in quasi-steady state: particles created by episodic main belt collisions or cometary fragmentation replace those removed by comminution, dynamical ejection, and planetary or solar impact. Because IDPs are rich in 3He, seafloor sediment 3He concentrations provide a unique means of probing the major events that have affected the IDP flux and its source bodies over geological timescales. Here we report a collisional disruption of a ?150-km-diameter asteroid.

  • Czech name

    Déšť prachu v pozdním miocénu způsobený rozpadem asteroidu v hlavním pásu

  • Czech description

    Během historie Sluneční soustavy je Země vystavěna bombardovaní interplanetárními čésticemi (IC), fragmenty asteroidů a komet. Jejich tok je povařovén za rovnovážný: částice vytvořené při kolizích asteroidů v hlavním pásu nebo uvolněné z komet nahrazujíty, které jsou odstraněny dynamickými či kolizními procesy, či akrecí na Slunce a planety. IC jsou bohaté na He3 a tudiž koncentrace tohoto isotopu v mořských sedimentech poskytuje jedinečnou žanci monitorovat hlavní akrečni vlny na Zemi. V této práci podáváme důkaz kolizního rozpadu asteroidu o průměru } 150 km.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BN - Astronomy and celestial mechanics, astrophysics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA205%2F05%2F2737" target="_blank" >GA205/05/2737: The Yarkovsky and YORP effects in translational and rotational motion of asteroids</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nature

  • ISSN

    0028-0836

  • e-ISSN

  • Volume of the periodical

    439

  • Issue of the periodical within the volume

    7074

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    3

  • Pages from-to

    295-297

  • UT code for WoS article

  • EID of the result in the Scopus database