Astrobiology

Did the seeds of life travel to Earth inside an asteroid?

Did the seeds of life travel to Earth inside an asteroid?

Nearly a hundred different types of amino acids have been observed in meteorites, but only twelve of the twenty considered essential to life have been found. Biological amino acids also have an advantage that gives them away: they all have a “left-handed” structure, while abiotic processes create equally left-handed and right-handed molecules. Durkin says many …

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Laser Absorption Mass Spectrometry Using the Orbitrap Analyzer for In Situ Astrobiology Nature Astronomy

Johnson SS, Anslyn EV, Graham HV, Mahaffy PR & Ellington A.D. Fingerprinting non-terran biosignatures. Astrobiology 18915-922 (2018). Article ADS Scholar from Google Marshall SM, Murray ARG & Cronin L. A probabilistic framework for identifying biosignatures using Pathway Complexity. Philos. via. R.Soc. Lund. a 37520160342 (2017). ADS Google Scholar Chan, MA et al. Deciphering biosignatures in …

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