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https://www.sciencedaily.com/releases/2018/01/180109112437.htm
The Hypatia Stone is a small meteorite from SW Egypt. Petrographic and chemical analysis by a group of researchers mostly from University of Johannesburg found element abundances and other unique chemical anomalies in the meteorite. They suggest that the object originated in the interstellar dust cloud, likely before the formation of Earth.
Some unique chemicals found in the specimen have never been seen in any other solar system object for which we have data. This may imply that our model of the solar system prior to planetary formation needs consideration.
Georgy A. Belyanin, Jan D. Kramers, Marco A.G. Andreoli, Francesco
Greco, Arnold Gucsik, Tebogo V. Makhubela, Wojciech J. Przybylowicz,
Michael Wiedenbeck. Petrography of the carbonaceous, diamond-bearing
stone “Hypatia” from southwest Egypt: A contribution to the debate on
its origin. Geochimica et Cosmochimica Acta, 2018; 223: 462 DOI:10.1016/j.gca.2017.12.020
The Hypatia Stone is a small meteorite from SW Egypt. Petrographic and chemical analysis by a group of researchers mostly from University of Johannesburg found element abundances and other unique chemical anomalies in the meteorite. They suggest that the object originated in the interstellar dust cloud, likely before the formation of Earth.
Some unique chemicals found in the specimen have never been seen in any other solar system object for which we have data. This may imply that our model of the solar system prior to planetary formation needs consideration.
Georgy A. Belyanin, Jan D. Kramers, Marco A.G. Andreoli, Francesco
Greco, Arnold Gucsik, Tebogo V. Makhubela, Wojciech J. Przybylowicz,
Michael Wiedenbeck. Petrography of the carbonaceous, diamond-bearing
stone “Hypatia” from southwest Egypt: A contribution to the debate on
its origin. Geochimica et Cosmochimica Acta, 2018; 223: 462 DOI:10.1016/j.gca.2017.12.020