Following the interstellar history of carbon: From the interiors of stars to the surfaces of planets

Lucy M Ziurys, D. T. Halfen, W. Geppert, Y. Aikawa

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

The chemical history of carbon is traced from its origin in stellar nucleosynthesis to its delivery to planet surfaces. The molecular carriers of this element are examined at each stage in the cycling of interstellar organic material and their eventual incorporation into solar system bodies. The connection between the various interstellar carbon reservoirs is also examined. Carbon has two stellar sources: supernova explosions and mass loss from evolved stars. In the latter case, the carbon is dredged up from the interior and then ejected into a circumstellar envelope, where a rich and unusual C-based chemistry occurs. This molecular material is eventually released into the general interstellar medium through planetary nebulae. It is first incorporated into diffuse clouds, where carbon is found in polyatomic molecules such as H2CO, HCN, HNC, c-C3H2, and even C60 +. These objects then collapse into dense clouds, the sites of star and planet formation. Such clouds foster an active organic chemistry, producing compounds with a wide range of functional groups with both gas-phase and surface mechanisms. As stars and planets form, the chemical composition is altered by increasing stellar radiation, as well as possibly by reactions in the presolar nebula. Some molecular, carbon-rich material remains pristine, however, encapsulated in comets, meteorites, and interplanetary dust particles, and is delivered to planet surfaces.

Original languageEnglish (US)
Pages (from-to)997-1012
Number of pages16
JournalAstrobiology
Volume16
Issue number12
DOIs
StatePublished - Dec 1 2016

Fingerprint

Planets
planets
Carbon
planet
History
histories
stars
history
carbon
Cosmic Dust
chemistry
Meteoroids
dust
Organic Chemistry
stellar radiation
interplanetary dust
organic chemistry
Explosions
polyatomic molecules
explosions

Keywords

  • Carbon isotopes
  • Comets
  • Interstellar molecules
  • Meteorites
  • Prebiotic evolution

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Following the interstellar history of carbon : From the interiors of stars to the surfaces of planets. / Ziurys, Lucy M; Halfen, D. T.; Geppert, W.; Aikawa, Y.

In: Astrobiology, Vol. 16, No. 12, 01.12.2016, p. 997-1012.

Research output: Contribution to journalReview article

Ziurys, Lucy M ; Halfen, D. T. ; Geppert, W. ; Aikawa, Y. / Following the interstellar history of carbon : From the interiors of stars to the surfaces of planets. In: Astrobiology. 2016 ; Vol. 16, No. 12. pp. 997-1012.
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