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Related Experiment Video

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Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

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Organic matter on asteroid 130 elektra.

D P Cruikshank, R H Brown

Science (New York, N.Y.)

|October 9, 1987

Summary

Asteroid 130 Elektra may contain hydrocarbons, indicated by a weak 3.4-micrometer band in its infrared spectra. This finding is supported by similar spectral bands observed in organic extracts from the Murchison meteorite.

Area of Science:

* Planetary Science
* Astrochemistry

Background:

* Asteroids are remnants from the early solar system, offering insights into its composition.
* Water-rich asteroids are of particular interest for potential habitability and resource assessment.
* The presence of organic molecules on asteroids is crucial for understanding the origins of life.

Purpose of the Study:

* To investigate the composition of asteroid 130 Elektra.
* To identify potential organic molecules on the asteroid's surface.
* To compare spectral data from asteroid 130 Elektra with known organic matter.

Main Methods:

* Infrared absorption spectroscopy was used to analyze the asteroid's surface.
* Spectral data from asteroid 130 Elektra were compared to spectral data from the Murchison meteorite.

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Main Results:

* A weak 3.4-micrometer carbon-hydrogen stretching mode band was detected in the infrared spectra of asteroid 130 Elektra.
* This band suggests the presence of hydrocarbons on the asteroid.
* Similar spectral bands were observed in the organic extract of the Murchison meteorite.

Conclusions:

* Hydrocarbons are likely present on asteroid 130 Elektra.
* The findings suggest a potential link between asteroid composition and primitive meteorites.
* This research contributes to the understanding of organic material distribution in the solar system.