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Credit: Skoltech
Scientists from Russia and Germany studied the molecular composition of carbonaceous chondrites - the insoluble organic matter of the Murchison and Allende meteorites - in an attempt to identify their origin. Ultra-high resolution mass spectrometry revealed a wide diversity of chemical compositions and unexpected similarities between meteorites from different groups. The research was published in the
Scientific Reports.
Carbonaceous chondrites contain nearly the entire spectrum of organic molecules encountered on Earth, including nucleic acids which might have played a pivotal role in the origin of life. Since the majority of modern meteorites are of nearly the same age as the Earth, their composition should be similar to that of meteorites that bombarded the Earth s surface in ancient times. Just like comets, they can be considered a source of organic compounds which most likely formed the core of the Earth s biosphere. ....

Oleg Kharybin , Alexander Zherebker , Yury Kostyukevich , Evgeny Nikolaev , Alexey Kononikhin , Massachusetts Institute Of Technology , Head Of The Mass Spectrometry Laboratory , Rostock Institute Germany , Moscow State University , Skoltech Center , Skoltech Senior Research Scientist Alexander Zherebker , Mass Spectrometry Laboratory , Vernadsky Institute Of Geochemistry , Solar System , Vernadsky Institute , Analytical Chemistry , Rostock Institute , Data Intensive Science , Skoltech Professor Evgeny Nikolaev , Corresponding Member , Mass Spectrometry , Massachusetts Institute , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Space Planetary Science , Research Development ,