Zobrazeno 1 - 10
of 231
pro vyhledávání: '"R. Mahaffy"'
Autor:
Daniel Y. Lo, Sushil K. Atreya, Michael H. Wong, Melissa G. Trainer, Heather B. Franz, Timothy H. McConnochie, Daniel Viúdez-Moreiras, Paul R. Mahaffy, Charles A. Malespin
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 3, p 65 (2024)
We explore and evaluate various processes that could drive the variations in the volume mixing ratio (VMR) of atmospheric O _2 observed by the quadrupole mass spectrometer (QMS) of the Sample Analysis at Mars (SAM) instrument suite on the Mars Scienc
Externí odkaz:
https://doaj.org/article/43609b8ea99f4dee84757175889c13eb
Autor:
M. Millan, A. J. Williams, A. C. McAdam, J. L. Eigenbrode, A. Steele, C. Freissinet, D. P. Glavin, C. Szopa, A. Buch, R. E. Summons, J. M. T. Lewis, G. M. Wong, C. H. House, B. Sutter, O. McIntosh, A. B. Bryk, H. B. Franz, C. Pozarycki, J. C. Stern, R. Navarro‐Gonzalez, D. P. Archer, V. Fox, K. Bennett, S. Teinturier, C. Malespin, S. S. Johnson, P. R. Mahaffy
Publikováno v:
Journal of Geophysical Research: Planets. 127
Autor:
B. Franz, Heather, G. Trainer, Melissa, H. Wong, Michael, L.K. Manning, Heidi, C. Stern, Jennifer, R. Mahaffy, Paul, K. Atreya, Sushil, Benna, Mehdi, G. Conrad, Pamela, N. Harpold, Dan, A. Leshin, Laurie, A. Malespin, Charles, P. McKay, Christopher, Thomas Nolan, J., Raaen, Eric
Publikováno v:
In Planetary and Space Science June 2014 96:99-113
Autor:
A. C. McAdam, B. Sutter, P. D. Archer, H. B. Franz, G. M. Wong, J. M. T. Lewis, J. V. Clark, M. Millan, A. J. Williams, J. L. Eigenbrode, C. A. Knudson, C. Freissinet, D. P. Glavin, J. C. Stern, R. Navarro‐González, C. N. Achilles, D. W. Ming, R. V. Morris, T. F. Bristow, E. B. Rampe, M. T. Thorpe, C. H. House, S. Andrejkovičová, A. B. Bryk, V. K. Fox, S. S. Johnson, P. R. Mahaffy, C. A. Malespin
Publikováno v:
Journal of Geophysical Research: Planets. 127
Autor:
Christopher H. House, Heather B. Franz, Gregory M. Wong, Paul R. Mahaffy, Alexander Pavlov, Andrew Steele, Sushil Atreya, Charles A. Malespin
Publikováno v:
Proceedings of the National Academy of Sciences. 119
Autor:
Yuanyuan He, Pin Lu, Paul R. Mahaffy, Charles Malespin, Melissa Guzman, Cyril Szopa, Amy J. Williams, Samuel Teinturier, Maeva Millan, Sarah Stewart Johnson, Michel Cabane, Hervé Cottin, Jennifer C. Stern, Jennifer L. Eigenbrode, Rafael Navarro-González, Vincent Butin, Fabien Stalport, Naila Chaouche-Mechidal, Caroline Freissinet, Arnaud Buch, D. Coscia, Daniel P. Glavin, Jamila El Bekri, Jean-Yves Bonnet
Publikováno v:
Astrobiology
Astrobiology, Mary Ann Liebert, 2021, 21 (3), pp.279-297. ⟨10.1089/ast.2020.2252⟩
Astrobiology, Mary Ann Liebert, 2021, 21 (3), pp.279-297. ⟨10.1089/ast.2020.2252⟩
International audience; The Mars Organic Molecule Analyzer (MOMA) and Sample Analysis at Mars (SAM) instruments onboard the Exomars 2022 and Mars Science Laboratory rovers, respectively, are capable of organic matter detection and differentiating pot
Autor:
Jennifer C. Stern, Charles A. Malespin, Jennifer L. Eigenbrode, Christopher R. Webster, Greg Flesch, Heather B. Franz, Heather V. Graham, Christopher H. House, Brad Sutter, Paul Douglas Archer, Amy E. Hofmann, Amy C. McAdam, Douglas W. Ming, Rafael Navarro-Gonzalez, Andrew Steele, Caroline Freissinet, Paul R. Mahaffy
Publikováno v:
Proceedings of the National Academy of Sciences. 119
The Sample Analysis at Mars instrument stepped combustion experiment on a Yellowknife Bay mudstone at Gale crater, Mars revealed the presence of organic carbon of Martian and meteoritic origins. The combustion experiment was designed to access refrac
Publikováno v:
Journal of Geophysical Research: Planets. 127
This is the data set to accompany our publication, "Neutral Composition and Horizontal Variations of the Martian Upper Atmosphere from MAVEN NGIMS" in Journal of Geophysical Research: Planets. The repository contains .csv files. Within the files are
Autor:
Z. E. Gallegos, Rachel Mackelprang, Diana E. Northup, David Beaty, M. A. Nellessen, Vlada Stamenkovic, Paul R. Mahaffy, M. Hoffman, Nina Lanza, Shiladitya DasSarma, J. G. Blank, Patrick J. Gasda, Jie Xu, M. A. Meyer, B. R. W. O'Connor, Brian D. Wade, H. H. Bolivar Torres, C. J. Walker, Priya DasSarma, Aaron E. Engelhart, D. Viola, Zachary Garvin, Corien Bakermans, Larry Matthies, M. S. Bell, J. A. Torres Celis, Carol R. Stoker, Scott Perl, Kennda Lynch, Mark A. Schneegurt, Richard C. Quinn, Boris Sauterey, Laura Rowe, H. D. Smith, A. H. D. Koeppel, Amy J. Williams, Kevin D. Webster, J. L. Eigenbrode, L. A. Scuderi, Luoth Chou, Roger C. Wiens, P. Boston, Petra Schwendner, B. C. Clark, J. M. Williams, Dirk Schulze-Makuch, Rachel L. Harris, Thomas L. Kieft, J. H. Green, Andrew C. Schuerger, R. Bruner, P. A. Lee, J. D. Tarnas, Bonnie K. Baxter, Xiang Li, David J. Des Marais, Natalie Grefenstette, S. A. Benner, Horton E. Newsom, Michael N. Spilde
Publikováno v:
Astrobiology
On November 5–8, 2019, the “Mars Extant Life: What's Next?” conference was convened in Carlsbad, New Mexico. The conference gathered a community of actively publishing experts in disciplines related to habitability and astrobiology. Primary con
Autor:
Christopher H. House, Gregory M. Wong, Christopher R. Webster, Gregory J. Flesch, Heather B. Franz, Jennifer C. Stern, Alex Pavlov, Sushil K. Atreya, Jennifer L. Eigenbrode, Alexis Gilbert, Amy E. Hofmann, Maëva Millan, Andrew Steele, Daniel P. Glavin, Charles A. Malespin, Paul R. Mahaffy
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America
Significance Carbon isotopic analysis is among the most pervasive geochemical approaches because the fractionation of carbon isotopes produces a natural tracer of biological and chemical processes. Rover-based carbon isotopic analyses of sedimentary