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Related Experiment Videos

Interstellar silicate absorption bands.

J A Hackwell1, R D Gehrz, N J Woolf

  • 1University College, London.

Nature
|August 22, 1970
PubMed
Summary
This summary is machine-generated.

Interstellar silicate absorption was detected towards the galactic center. The study indicates that most interstellar silicon exists in silicate form.

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Area of Science:

  • Astronomy and Astrophysics
  • Cosmic Dust Studies

Background:

  • Understanding the composition of interstellar dust is crucial for astrophysics.
  • Silicon is a key element in the formation of stars and planets.

Purpose of the Study:

  • To investigate the form of silicon in interstellar space.
  • To analyze interstellar silicate absorption in the direction of the galactic center.

Main Methods:

  • Spectroscopic analysis of light from the galactic center.
  • Observational astronomy techniques.

Main Results:

  • Detection of significant interstellar silicate absorption features.
  • Evidence suggests a high proportion of interstellar silicon is in silicate form.

Conclusions:

  • The dominant form of interstellar silicon is silicate.
  • This finding impacts models of interstellar dust composition and evolution.