XENON IN THE PROTOPLANETARY DISK (PPD-Xe)

K. Marti, K. J. Mathew

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Relationships among solar system Xe components as observed in the solar wind, in planetary atmospheres, and in meteorites are investigated using isotopic correlations. The term PPD-Xe is used for components inferred to have been present in the molecular cloud material that formed the protoplanetary disk (PPD). The evidence of the lack of simple relationships between terrestrial atmospheric Xe and solar or meteoritic components is confirmed. Xe isotopic correlations indicate a heterogeneous PPD composition with variable mixing ratios of the nucleosynthetic component Xe-HL. Solar Xe represents a bulk PPD component, and the isotopic abundances did not change from the time of incorporation into the interior of Mars through times of regolith implantations to the present.

Original languageEnglish
Article numberL30
JournalAstrophysical Journal Letters
Volume806
Issue number2
DOIs
StatePublished - Jun 20 2015
Externally publishedYes

Keywords

  • planets and satellites: atmospheres
  • planets and satellites: composition
  • planets and satellites: formation
  • planets and satellites: physical evolution
  • solar wind
  • Sun: abundances

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