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Chemistry between the stars.

W M Irvine1

  • 1Five College Radio Astronomy Observatory, University of Massachusetts, Amherst, USA.

The Planetary Report
|November 1, 1987
PubMed
Summary
This summary is machine-generated.

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Life originates from chemical processes involving water and carbon compounds. Essential biogenic elements, forged in ancient stars, traveled across space to form the building blocks of life on Earth.

Area of Science:

  • Astrochemistry
  • Origin of Life Studies
  • Biochemistry

Background:

  • Life as we know it is a chemical process.
  • Complex organic molecules are fundamental to life.
  • These molecules are composed of biogenic elements like carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur.

Purpose of the Study:

  • To explore the cosmic origins of the elements essential for life.
  • To investigate the chemical processes that enabled life's emergence.
  • To trace the journey of stellar-born elements to Earth.

Main Methods:

  • Review of stellar nucleosynthesis processes.
  • Analysis of interstellar medium composition.
  • Examination of prebiotic chemistry pathways.
Keywords:
NASA Discipline ExobiologyNon-NASA Center

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Main Results:

  • Biogenic elements were synthesized in ancient stars.
  • These elements were dispersed through supernovae and stellar winds.
  • Interstellar transport mechanisms delivered these elements to early Earth.

Conclusions:

  • The chemical elements foundational to life originated in stars.
  • Cosmic chemical evolution and transport were critical for abiogenesis.
  • Understanding these processes illuminates the origin of life.