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Malwina Kolano, Marek Cala and Agnieszka Stopkowicz
The surface of Phobos is an intriguing subject of research for many scientists. This is associated, among other things, with the fact that it is perceived as a potential launch site for future human Mars exploration. Additionally, measurements conducted ...
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Ye He, Huaiyu He, Ziheng Liu, Fei Su, Jiannan Li, Yanan Zhang, Rongji Li, Xinyu Huang, Xuhang Zhang, Chao Lu, Shengyuan Jiang, Junyue Tang and Ranran Liu
The nitrogen isotopic compositions of lunar soil have important implications for the sources of lunar volatiles and even the evolution of the moon. At present, the research on the lunar nitrogen isotopic compositions is mainly based on the lunar meteorit...
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Davide Lenaz, Matteo Velicogna, Maurizio Petrelli and Birger Schmitz
In the Ordovician limestone of the Thorsberg quarry (South Sweden), about 130 meteorites have been found. Among the extraterrestrial material, several terrestrial Cr-spinels and zircons have been found too. In particular, in the interval 416?447 cm above...
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Thomas Smith, P. M. Ranjith, Huaiyu He and Rixiang Zhu
Martian meteorites are the only samples from Mars available for extensive studies in laboratories on Earth. Among the various unresolved science questions, the question of the Martian atmospheric composition, distribution, and evolution over geological t...
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Zoltán Váci and Carl Agee
Martian meteorites provide the only direct constraints on the timing of Martian accretion, core formation, magmatic differentiation, and ongoing volcanism. While many radiogenic isotope chronometers have been applied to a wide variety of Martian samples,...
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Karin Moelling and Felix Broecker
The search for extraterrestrial life, recently fueled by the discovery of exoplanets, requires defined biosignatures. Current biomarkers include those of extremophilic organisms, typically archaea. Yet these cellular organisms are highly complex, which m...
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Arshad Ali, Iffat Jabeen, Sobhi J. Nasir and Neil R. Banerjee
We report the equilibration temperatures derived from the oxygen isotope thermometry of pyroxene-olivine pair from the Dar al Ghani (DaG) 476 (1200 +105/-90 °C) and Sayh al Uhaymir (SaU) 008 (1430 +220/-155 °C) meteorites showing a difference of over 200...
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Vera M. Kolb
The connection between astrobiology and green chemistry represents a new approach to sustainability of organic matter on asteroids or similar bodies. Green chemistry is chemistry which is environmentally friendly. One obvious way for chemistry to be gree...
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Brooks C. R.
Pág. 71 - 80
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