Search Results - "d'Uston, C."
-
1
Geochemical properties of rocks and soils in Gusev Crater, Mars: Results of the Alpha Particle X-Ray Spectrometer from Cumberland Ridge to Home Plate
Published in Journal of Geophysical Research - Planets (01-12-2008)“…Geochemical diversity of rocks and soils has been discovered by the Alpha Particle X‐Ray Spectrometer (APXS) during Spirit's journey over Husband Hill and down…”
Get full text
Journal Article -
2
Martian Eolian Dust Probed by ChemCam
Published in Geophysical research letters (28-10-2018)“…The ubiquitous eolian dust on Mars plays important roles in the current sedimentary and atmospheric processes of the planet. The ChemCam instrument retrieves a…”
Get full text
Journal Article -
3
Distribution of Hydrogen in the near Surface of Mars: Evidence for Subsurface Ice Deposits
Published in Science (American Association for the Advancement of Science) (05-07-2002)“…Using the Gamma-Ray Spectrometer on the Mars Odyssey, we have identified two regions near the poles that are enriched in hydrogen. The data indicate the…”
Get full text
Journal Article -
4
Chemistry of Rocks and Soils at Meridiani Planum from the Alpha Particle X-ray Spectrometer
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…The Alpha Particle X-ray Spectrometer on the Opportunity rover determined major and minor elements of soils and rocks in Meridiani Planum. Chemical…”
Get full text
Journal Article -
5
Chemistry of Rocks and Soils in Gusev Crater from the Alpha Particle X-ray Spectrometer
Published in Science (American Association for the Advancement of Science) (06-08-2004)“…The alpha particle x-ray spectrometer on the Spirit rover determined major and minor elements of soils and rocks in Gusev crater in order to unravel the…”
Get full text
Journal Article -
6
Uranium on the Moon: Global distribution and U/Th ratio
Published in Geophysical research letters (01-05-2010)“…The Kaguya Gamma‐Ray Spectrometer uniquely identified uranium gamma‐ray lines from the Moon with a superior energy resolution of ∼1%. A global lunar map of…”
Get full text
Journal Article -
7
The global distribution of calcium on the Moon: Implications for high-Ca pyroxene in the eastern mare region
Published in Earth and planetary science letters (01-11-2012)“…The first unambiguous global distribution of Ca on the Moon has been revealed by the Kaguya Gamma-Ray Spectrometer. The observation of the 3737keV gamma rays…”
Get full text
Journal Article -
8
The Opportunity Rover's Athena Science Investigation at Meridiani Planum, Mars
Published in Science (American Association for the Advancement of Science) (03-12-2004)“…The Mars Exploration Rover Opportunity has investigated the landing site in Eagle crater and the nearby plains within Meridiani Planum. The soils consist of…”
Get full text
Journal Article -
9
The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars
Published in Science (American Association for the Advancement of Science) (06-08-2004)“…The Mars Exploration Rover Spirit and its Athena science payload have been used to investigate a landing site in Gusev crater. Gusev is hypothesized to be the…”
Get full text
Journal Article -
10
Bulk composition and early differentiation of Mars
Published in Journal of Geophysical Research - Planets (01-03-2006)“…We report the concentrations of K, Th, and Fe on the Martian surface, as determined by the gamma ray spectrometer onboard the 2001 Mars Odyssey spacecraft. K…”
Get full text
Journal Article -
11
Overview of the Spirit Mars Exploration Rover Mission to Gusev Crater: Landing site to Backstay Rock in the Columbia Hills
Published in Journal of Geophysical Research - Planets (01-01-2006)“…Spirit landed on the floor of Gusev Crater and conducted initial operations on soil‐covered, rock‐strewn cratered plains underlain by olivine‐bearing basalts…”
Get full text
Journal Article -
12
Magnetic Field and Plasma Observations at Mars: Initial Results of the Mars Global Surveyor Mission
Published in Science (American Association for the Advancement of Science) (13-03-1998)“…The magnetometer and electron reflectometer investigation (MAG/ER) on the Mars Global Surveyor spacecraft has obtained magnetic field and plasma observations…”
Get full text
Journal Article -
13
Chemical variations in Yellowknife Bay formation sedimentary rocks analyzed by ChemCam on board the Curiosity rover on Mars
Published in Journal of geophysical research. Planets (01-03-2015)“…The Yellowknife Bay formation represents a ~5 m thick stratigraphic section of lithified fluvial and lacustrine sediments analyzed by the Curiosity rover in…”
Get full text
Journal Article -
14
First multispacecraft ion measurements in and near the Earth’s magnetosphere with the identical Cluster ion spectrometry (CIS) experiment
Published in Annales geophysicae (1988) (01-10-2001)“…On board the four Cluster spacecraft, the Cluster Ion Spectrometry (CIS) experiment measures the full, three-dimensional ion distribution of the major…”
Get full text
Journal Article -
15
Variations in K/Th on Mars
Published in Journal of Geophysical Research - Planets (01-03-2006)“…K/Th determined by the Mars Odyssey Gamma Ray Spectrometer varies by a factor of 3 on Mars (3000 to 9000), but over 95% of the surface area has K/Th between…”
Get full text
Journal Article -
16
Estimation method of planetary fast neutron flux by a Ge gamma-ray spectrometer
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-08-2016)“…An intensity map of lunar fast neutrons (LFNs) and their temporal variation has been estimated by fitting “sawtooth” peaks in the energy spectra of lunar gamma…”
Get full text
Journal Article -
17
The Mars Odyssey Gamma-Ray Spectrometer Instrument Suite
Published in Space science reviews (01-01-2004)“…The Mars Odyssey Gamma-Ray Spectrometer is a suite of three different instruments, a gamma subsystem (GS), a neutron spectrometer, and a high-energy neutron…”
Get full text
Journal Article -
18
Structure, stratigraphy, and origin of Husband Hill, Columbia Hills, Gusev Crater, Mars
Published in Journal of Geophysical Research - Planets (01-06-2008)“…The strike and dip of lithologic units imaged in stereo by the Spirit rover in the Columbia Hills using three‐dimensional imaging software shows that measured…”
Get full text
Journal Article -
19
The miniaturised Mössbauer spectrometer MIMOS IIA: Increased sensitivity and new capability for elemental analysis
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2010)“…The Miniaturised Mössbauer Spectrometers MIMOS II on board the two Mars Exploration Rovers (MER) have now been collecting valuable scientific data for more…”
Get full text
Journal Article -
20
A three-dimensional plasma and energetic particle investigation for the wind spacecraft
Published in Space science reviews (01-02-1995)“…The objectives of the experiment for the WIND spacecraft reported here were to explore the suprathermal particle population between the solar wind and low…”
Get full text
Journal Article