Claire Newman
A5020727212- Planetary Science and Exploration
- Astro and Planetary Science
- Space Exploration and Technology
- Aeolian processes and effects
- Space Science and Extraterrestrial Life
- Spaceflight effects on biology
- Geology and Paleoclimatology Research
- Atmospheric and Environmental Gas Dynamics
- Methane Hydrates and Related Phenomena
- Scientific Research and Discoveries
- Solar and Space Plasma Dynamics
- Geomagnetism and Paleomagnetism Studies
- Spacecraft and Cryogenic Technologies
- Meteorological Phenomena and Simulations
- Space exploration and regulation
- Geophysics and Gravity Measurements
- Biocrusts and Microbial Ecology
- Isotope Analysis in Ecology
- Aerospace Engineering and Energy Systems
- Marine and environmental studies
- Atmospheric aerosols and clouds
- Spacecraft Design and Technology
- Air Quality Monitoring and Forecasting
- Ionosphere and magnetosphere dynamics
- Particle Dynamics in Fluid Flows
Aeolis Research (United States)
2016-2025
University of Wyoming
2024
Goddard Space Flight Center
2023
Jet Propulsion Laboratory
2005-2023
University of the Basque Country
2023
California Institute of Technology
2005-2022
Southwest Research Institute
2022
Observatoire de Paris
2022
The King's College
2018
Ashima Group (United States)
2009-2017
The Curiosity rover discovered fine-grained sedimentary rocks, which are inferred to represent an ancient lake and preserve evidence of environment that would have been suited support a martian biosphere founded on chemolithoautotrophy. This aqueous was characterized by neutral pH, low salinity, variable redox states both iron sulfur species. Carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus were measured directly as key biogenic elements; inference, is assumed available. probably had...
The Radiation Assessment Detector (RAD) on the Mars Science Laboratory’s Curiosity rover began making detailed measurements of cosmic ray and energetic particle radiation environment surface 7 August 2012. We report discuss absorbed dose equivalent from galactic rays solar particles martian for ~300 days observations during current maximum. These provide insight into hazards associated with a human mission to an anchor point which model subsurface environment, implications microbial survival...
Samples from the Rocknest aeolian deposit were heated to ~835°C under helium flow and evolved gases analyzed by Curiosity’s Sample Analysis at Mars instrument suite. H 2 O, SO , CO O major released. Water abundance (1.5 3 weight percent) release temperature suggest that is bound within an amorphous component of sample. Decomposition fine-grained Fe or Mg carbonate likely source much . Evolved coincident with Cl, suggesting oxygen produced thermal decomposition oxychloride compound. Elevated...
Volume mixing and isotope ratios secured with repeated atmospheric measurements taken the Sample Analysis at Mars instrument suite on Curiosity rover are: carbon dioxide (CO2), 0.960(±0.007); argon-40 ((40)Ar), 0.0193(±0.0001); nitrogen (N2), 0.0189(±0.0003); oxygen, 1.45(±0.09) × 10(-3); monoxide, < 1.0 (40)Ar/(36)Ar, 1.9(±0.3) 10(3). The (40)Ar/N2 ratio is 1.7 times greater (40)Ar/(36)Ar 1.6 lower than values reported by Viking Lander mass spectrometer in 1976, whereas other are generally...
H 2 O, CO , SO O S, HCl, chlorinated hydrocarbons, NO, and other trace gases were evolved during pyrolysis of two mudstone samples acquired by the Curiosity rover at Yellowknife Bay within Gale crater, Mars. O/OH-bearing phases included 2:1 phyllosilicate(s), bassanite, akaganeite, amorphous materials. Thermal decomposition carbonates combustion organic materials are candidate sources for . Concurrent evolution hydrocarbons suggests presence oxychlorine phase(s). Sulfides likely...
Observations by the Mars Science Laboratory Mast Camera (Mastcam) in Gale crater reveal isolated outcrops of cemented pebbles (2 to 40 millimeters diameter) and sand grains with textures typical fluvial sedimentary conglomerates. Rounded conglomerates indicate substantial abrasion. ChemCam emission spectra at one outcrop show a predominantly feldspathic composition, consistent minimal aqueous alteration sediments. Sediment was mobilized ancient water flows that likely exceeded threshold...
A new planetary atmospheric numerical model, “planetWRF,” has been developed by modifying the Weather Research and Forecasting (WRF) model. The model generalized map projection, multiscale, nesting capabilities, blurring distinction between global mesoscale models enabling investigation of coupling processes on all scales, including global. can also be run in one, two, or three dimensions. conversion dynamical core for application altering projection grid boundary conditions as well physics...
Sedimentary rocks examined by the Curiosity rover at Yellowknife Bay, Mars, were derived from sources that evolved an approximately average martian crustal composition to one influenced alkaline basalts. No evidence of chemical weathering is preserved, indicating arid, possibly cold, paleoclimates and rapid erosion deposition. The absence predicted geochemical variations indicates magnetite phyllosilicates formed diagenesis under low-temperature, circumneutral pH, rock-dominated aqueous...
The ChemCam instrument, which provides insight into martian soil chemistry at the submillimeter scale, identified two principal types along Curiosity rover traverse: a fine-grained mafic type and locally derived, coarse-grained felsic type. component is representative of widespread soils similar in composition to dust. It possesses ubiquitous hydrogen signature spectra, corresponding hydration amorphous phases found by CheMin instrument. This likely accounts for an important fraction global...
Significance We present data supporting the presence of an indigenous source fixed nitrogen on surface Mars in form nitrate. This may indicate first stage development a primitive cycle ancient and would have provided biochemically accessible nitrogen.
Abstract Mars Science Laboratory Curiosity rover observations of the 2018/Mars year 34 global/planet‐encircling dust storm represent first in situ measurements a global with dedicated meteorological sensors since Viking Landers. The team planned and executed science campaign lasting approximately 100 Martian sols to study involving an enhanced cadence environmental monitoring using rover's sensors, cameras, spectrometers. Mast Camera 880‐nm optical depth reached 8.5, Rover Environmental...
Abstract NASA’s Dragonfly mission will send a rotorcraft lander to the surface of Titan in mid-2030s. Dragonfly's science themes include investigation Titan’s prebiotic chemistry, habitability, and potential chemical biosignatures from both water-based “life as we know it” (as might occur interior mantle ocean, cryovolcanic flows, and/or impact melt deposits) “life, but not that use liquid hydrocarbons solvent (within lakes, seas, aquifers). Consideration these solvents simultaneously led...
Abstract The Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) spacecraft landed successfully on Mars imaged the surface to characterize surficial geology. Here we report geology subsurface structure of landing site aid in situ geophysical investigations. InSight a degraded impact crater Elysium Planitia smooth sandy, granule- pebble-rich with few rocks. Superposed craters are common eolian bedforms sparse. During landing, pulsed retrorockets modified...
Abstract The first samples collected by the Mars 2020 mission represent units exposed on Jezero Crater floor, from potentially oldest Séítah formation outcrops to youngest rocks of heavily cratered Máaz formation. Surface investigations reveal landscape‐to‐microscopic textural, mineralogical, and geochemical evidence for igneous lithologies, some possibly emplaced as lava flows. contain major rock‐forming minerals such pyroxene, olivine, feldspar, accessory including oxides phosphates,...
A dust transport scheme has been developed for a general circulation model of the Martian atmosphere. This enables radiatively active transport, with atmospheric state responding to changes in distribution via heating, as well being determined by conditions. The includes lifting, advection winds, mixing, and gravitational sedimentation. Parameterizations lifting initiated (1) near‐surface wind stress (2) convective vortices known devils are considered. Two parameterizations defined each...
"Jake_M," the first rock analyzed by Alpha Particle X-ray Spectrometer instrument on Curiosity rover, differs substantially in chemical composition from other known martian igneous rocks: It is alkaline (>15% normative nepheline) and relatively fractionated. Jake_M compositionally similar to terrestrial mugearites, a type typically found at ocean islands continental rifts. By analogy with these comparable rocks, could have been produced extensive fractional crystallization of primary or...
Research Article| May 01, 2013 Growth and form of the mound in Gale Crater, Mars: Slope wind enhanced erosion transport Edwin S. Kite; Kite 1Geological Planetary Sciences, California Institute Technology, Pasadena, 91125, USA Search for other works by this author on: GSW Google Scholar Kevin W. Lewis; Lewis 2Department Geosciences, Princeton University, Princeton, New Jersey 08544, Michael P. Lamb; Lamb Claire E. Newman; Newman 3Ashima Research, Mark I. Richardson Author Article Information...
In the first 100 Martian solar days (sols) of Mars Science Laboratory mission, Rover Environmental Monitoring Station (REMS) measured seasonally evolving diurnal cycles ultraviolet radiation, atmospheric pressure, air temperature, ground relative humidity, and wind within Gale Crater on Mars.As an introduction to several REMS-based articles in this issue, we provide overview design performance REMS sensors discuss our approach mitigating some difficulties encountered following landing,...
By analogy with Earth, methane in the Martian atmosphere is a potential signature of ongoing or past biological activity. During decade, Earth-based telescopic observations reported "plumes" tens parts per billion by volume (ppbv), and those from Mars orbit showed localized patches, prompting speculation sources subsurface bacteria nonbiological sources. From situ measurements made Tunable Laser Spectrometer (TLS) on Curiosity using distinctive spectral pattern specific to methane, we report...