The origin of chondrules at Jovian resonances

S. J. Weidenschilling, F. Marzari, L. L. Hood

Research output: Contribution to journalArticlepeer-review

80 Scopus citations


Isotopic dating indicates that chondrules were produced a few million years after the solar nebula formed. This timing is incompatible with dynamical lifetimes of small particles in the nebula and short time scales for the formation of planetesimals. Temporal and dynamical constraints can be reconciled if chondrules were produced by heating of debris from disrupted first-generation planetesimals. Jovian resonances can excite planetesimal eccentricities enough to cause collisional disruption and melting of dust by bow shocks in the nebular gas. The ages of chondrules may indicate the times of Jupiter's formation and dissipation of gas from the asteroidal region.

Original languageEnglish (US)
Pages (from-to)681-684
Number of pages4
Issue number5351
StatePublished - Jan 30 1998

ASJC Scopus subject areas

  • General


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