“Glass with embedded metal and sulfides”的意思、由来-开放百科全书

词条

Glass with embedded metal and sulfides

释义

References
Footnotes Citations

Glass with embedded metal and sulfides (GEMS) are tiny spheroids in cosmic dust particles with bulk compositions that are approximately chondritic. They form the building blocks of anhydrous interplanetary dust particles (IDPs) in general, and cometary IDPs, in particular. Their compositions, mineralogy and petrography appear to have been shaped by exposure to ionizing radiation. Since the exposure occurred prior to the accretion of cometary IDPs, and therefore comets themselves, GEMS are likely either solar nebula or presolar interstellar grains. The properties of GEMS (size, shape, mineralogy) bear a strong resemblance to those of interstellar silicate grains as inferred from astronomical observations.^[1]

References

{{cite conference

|author1=Bradley, John |author2=Ireland, Trevor, I,
| title=The Search for Interstellar Components in Interplanetary Dust Particles
| booktitle=Physics, Chemistry, and Dynamics of Interplanetary Dust, ASP Conference Series, Vol 104
| date=1996
| pages=275–282
}}

Footnotes

1. ^Bradley and Ireland, 1996

Citations

5 : Planetary science|Solar System|Meteoroids|Glass compositions|Glass in nature

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