Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Gainsforth, Zack"'
Autor:
Zhang, Mingming, Chaumard, Noël, Defouilloy, Céline, Nachlas, William O., Brownlee, Donald E., Joswiak, David J., Westphal, Andrew J., Gainsforth, Zack, Kitajima, Kouki, Kita, Noriko T.
Publikováno v:
In Geochimica et Cosmochimica Acta 15 April 2024 371:214-227
Autor:
Jaeger, Logan, Butterworth, Anna L., Gainsforth, Zack, Lettieri, Robert, Ardizzone, Augusto, Capraro, Michael, Burchell, Mark, Wozniakiewicz, Penny, Ogliore, Ryan C., De Gregorio, Bradley T., Stroud, Rhonda M., Westphal, Andrew J.
NASA's Stardust mission utilized a sample collector composed of aerogel and aluminum foil to return cometary and interstellar particles to Earth. Analysis of the aluminum foil begins with locating craters produced by hypervelocity impacts of cometary
Externí odkaz:
http://arxiv.org/abs/2103.09673
We assess whether chondrules, once-molten mm-sized spheres filling the oldest meteorites, could have formed from super-km/s collisions between planetesimals in the solar nebula. High-velocity collisions release hot and dense clouds of silicate vapor
Externí odkaz:
http://arxiv.org/abs/2009.10093
Autor:
Gainsforth, Zack, Westphal, Andrew J., Butterworth, Anna L., Jilly-Rehak, Christine E., Brownlee, Donald E., Joswiak, Dave, Ogliore, Ryan C., Zolensky, Michael E., Bechtel, Hans A., Ebel, Denton S., Huss, Gary R., Sandford, Scott A., White, Amanda J.
In a consortium analysis of a large particle captured from the coma of comet 81P/Wild 2 by the Stardust spacecraft, we report the discovery of a field of fine-grained material (FGM) in contact with a large sulfide particle. The FGM was partially loca
Externí odkaz:
http://arxiv.org/abs/1807.00063
The oxidation state of iron in the interstellar medium (ISM) can provide constraints on the processes that operated on material in the protosolar disk. We used synchrotron-based X-ray absorption spectra of several mineral standards and two kinds of p
Externí odkaz:
http://arxiv.org/abs/1805.05921
Akademický článek
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Autor:
Ogliore, Ryan C., Nagashima, Kazuhide, Huss, Gary R., Westphal, Andrew J., Gainsforth, Zack, Butterworth, Anna L.
Individual particles from comet 81P/Wild 2 collected by NASA's Stardust mission vary in size from small sub-$\mu$m fragments found in the walls of the aerogel tracks, to large fragments up to tens of $\mu$m in size found towards the termini of tracks
Externí odkaz:
http://arxiv.org/abs/1506.04783
Autor:
Ogliore, Ryan C., Palma, Russell L., Stodolna, Julien, Nagashima, Kazuhide, Pepin, Robert O., Schlutter, D.J., Gainsforth, Zack, Westphal, Andrew J., Huss, Gary R.
Publikováno v:
In Geochimica et Cosmochimica Acta 15 February 2020 271:116-131
Autor:
McLeod, Alexander S., Kelly, Priscilla, Goldflam, M. D., Gainsforth, Zack, Westphal, Andrew J., Dominguez, Gerardo, Thiemens, Mark, Fogler, Michael M., Basov, D. N.
Publikováno v:
Phys. Rev. B 90, 085136 (2014)
Near-field infrared spectroscopy by elastic scattering of light from a probe tip resolves optical contrasts in materials at dramatically sub-wavelength scales across a broad energy range, with the demonstrated capacity for chemical identification at
Externí odkaz:
http://arxiv.org/abs/1308.1784
Akademický článek
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