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- W2772045005 abstract "The search for life and habitable environments on other Solar System bodies is a major motivator for planetary exploration. Due to the difficulty and significance of detecting extant or extinct extraterrestrial life in situ, several independent measurements from multiple instrument techniques will bolster the community's confidence in making any such claim. We demonstrate the detection of subsurface biosignatures using a suite of instrument techniques including IR reflectance spectroscopy, laser-induced breakdown spectroscopy, and scanning electron microscopy/energy dispersive X-ray spectroscopy. We focus our measurements on subterranean calcium carbonate field samples, whose biosignatures are analogous to those that might be expected on some high-interest astrobiology targets. In this work, we discuss the feasibility and advantages of using each of the aforementioned instrument techniques for the in situ search for biosignatures and present results on the autonomous characterization of biosignatures using multivariate statistical analysis techniques. Key Words: Biosignature suites—Caves—Mars—Life detection. Astrobiology 17, 1203–1218." @default.
- W2772045005 created "2017-12-22" @default.
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- W2772045005 date "2017-12-01" @default.
- W2772045005 modified "2023-09-30" @default.
- W2772045005 title "The Characterization of Biosignatures in Caves Using an Instrument Suite" @default.
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