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2019
11 Citations (Scopus)

Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface

The OSIRIS-REx Team, Jan 1 2019, In : Nature Geoscience.

Research output: Contribution to journalArticle

regolith
asteroid
crater
mass movement
infill
11 Citations (Scopus)

Evidence for widespread hydrated minerals on asteroid (101955) Bennu

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 332-340 9 p.

Research output: Contribution to journalArticle

asteroids
minerals
organic chemistry
carbonaceous chondrites
regolith

Low-temperature specific heat capacity measurements and application to Mars thermal modeling

Vu, T. H., Piqueux, S., Choukroun, M., Edwards, C. S., Christensen, P. & Glotch, T. D., Mar 15 2019, In : Icarus. 321, p. 824-840 17 p.

Research output: Contribution to journalArticle

heat capacity
inertia
mars
Mars
specific heat
10 Citations (Scopus)

Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 341-351 11 p.

Research output: Contribution to journalArticle

regolith
piles
asteroids
resources
thermal analysis
8 Citations (Scopus)

Shape of (101955) Bennu indicative of a rubble pile with internal stiffness

The OSIRIS-REx Team, Apr 1 2019, In : Nature Geoscience. 12, 4, p. 247-252 6 p.

Research output: Contribution to journalArticle

stiffness
pile
mass wasting
asteroid
resource
12 Citations (Scopus)

The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements

The OSIRIS-REx Team, Apr 1 2019, In : Nature Astronomy. 3, 4, p. 352-361 10 p.

Research output: Contribution to journalArticle

regolith
asteroids
resources
lobes
metal spinning
6 Citations (Scopus)

The operational environment and rotational acceleration of asteroid (101955) Bennu from OSIRIS-REx observations

The OSIRIS-REx Team, Dec 1 2019, In : Nature communications. 10, 1, 1291.

Research output: Contribution to journalArticle

Open Access
Minor Planets
Spacecraft
Asteroids
regolith
asteroids
12 Citations (Scopus)

The unexpected surface of asteroid (101955) Bennu

The OSIRIS-REx Team, Apr 4 2019, In : Nature. 568, 7750, p. 55-60 6 p.

Research output: Contribution to journalLetter

Minor Planets
Spacecraft
Meteoroids
Radar
Prebiotics
2018
1 Citation (Scopus)

A Complex Fluviolacustrine Environment on Early Mars and Its Astrobiological Potentials

Huang, J., Salvatore, M. R., Edwards, C. S., Harris, R. L. & Christensen, P., Aug 1 2018, In : Astrobiology. 18, 8, p. 1081-1091 11 p.

Research output: Contribution to journalArticle

Mars
mars
Chlorides
chlorides
chloride
4 Citations (Scopus)

Bulk mineralogy of the NE Syrtis and Jezero crater regions of Mars derived through thermal infrared spectral analyses

Salvatore, M. R., Goudge, T. A., Bramble, M. S., Edwards, C. S., Bandfield, J. L., Amador, E. S., Mustard, J. F. & Christensen, P., Feb 1 2018, In : Icarus. 301, p. 76-96 21 p.

Research output: Contribution to journalArticle

mineralogy
craters
mars
crater
Mars
3 Citations (Scopus)

Region of interest aware compressive sensing of THEMIS images and its reconstruction quality

Chakraborty, S., Banerjee, A., Gupta, S. & Christensen, P., Jun 25 2018, 2018 IEEE Aerospace Conference, AERO 2018. IEEE Computer Society, Vol. 2018-March. p. 1-11 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image sensors
Image quality
Sampling
compression
Spacecraft

THEMIS-VIS Investigations of Sand at Gale Crater

Bennett, K. A., Hill, J. R., Murray, K. C., Edwards, C. S., Bell, J. & Christensen, P., Aug 1 2018, In : Earth and Space Science. 5, 8, p. 352-363 12 p.

Research output: Contribution to journalArticle

crater
sand
Mars
dune
inertia
13 Citations (Scopus)

The OSIRIS-REx Thermal Emission Spectrometer (OTES) Instrument

Christensen, P., Hamilton, V. E., Mehall, G. L., Pelham, D., O’Donnell, W., Anwar, S., Bowles, H., Chase, S., Fahlgren, J., Farkas, Z., Fisher, T., James, O., Kubik, I., Lazbin, I., Miner, M., Rassas, M., Schulze, L., Shamordola, K., Tourville, T., West, G. & 2 others, Woodward, R. & Lauretta, D., Aug 1 2018, In : Space Science Reviews. 214, 5, 87.

Research output: Contribution to journalReview article

OSIRIS
thermal emission
spectrometer
spectrometers
sampling
1 Citation (Scopus)
forest fire
land cover
Fires
modeling
filter
2017
9 Citations (Scopus)

Acidic weathering of basalt and basaltic glass: 1. Near-infrared spectra, thermal infrared spectra, and implications for Mars

Horgan, B. H. N., Smith, R. J., Cloutis, E. A., Mann, P. & Christensen, P., Jan 1 2017, In : Journal of Geophysical Research: Planets. 122, 1, p. 172-202 31 p.

Research output: Contribution to journalArticle

basalt
weathering
Weathering
mars
Mars
2 Citations (Scopus)

Acid weathering of basalt and basaltic glass: 2. Effects of microscopic alteration textures on spectral properties

Smith, R. J., Horgan, B. H. N., Mann, P., Cloutis, E. A. & Christensen, P., Jan 1 2017, In : Journal of Geophysical Research: Planets. 122, 1, p. 203-227 25 p.

Research output: Contribution to journalArticle

basalt
weathering
Weathering
Silicon Dioxide
silica
2 Citations (Scopus)

Estimation of dynamic parameters of MODIS NDVI time series nonlinear model using particle filtering

Chakraborty, S., Banerjee, A., Gupta, S., Papandreou-Suppappola, A. & Christensen, P., Dec 1 2017, 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-July. p. 1091-1094 4 p. 8127146

Research output: Chapter in Book/Report/Conference proceedingConference contribution

NDVI
MODIS
Time series
time series
Extended Kalman filters
3 Citations (Scopus)

Flank vents and graben as indicators of Late Amazonian volcanotectonic activity on Olympus Mons

Peters, S. I. & Christensen, P., Mar 1 2017, In : Journal of Geophysical Research: Planets. 122, 3, p. 501-523 23 p.

Research output: Contribution to journalArticle

volcanic activity
volcanoes
Vents
vents
cameras
1 Citation (Scopus)

History of Mars atmosphere observations

James, P. B., Christensen, P., Clancy, R. T., Lemmon, M. T. & Withers, P., Jun 29 2017, The Atmosphere and Climate of Mars. Cambridge University Press, p. 20-41 22 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Mars atmosphere
histories
71 Citations (Scopus)

OSIRIS-REx: Sample Return from Asteroid (101955) Bennu

Lauretta, D. S., Balram-Knutson, S. S., Beshore, E., Boynton, W. V., Drouet D’Aubigny, C., DellaGiustina, D. N., Enos, H. L., Golish, D. R., Hergenrother, C. W., Howell, E. S., Bennett, C. A., Morton, E. T., Nolan, M. C., Rizk, B., Roper, H. L., Bartels, A. E., Bos, B. J., Dworkin, J. P., Highsmith, D. E., Lorenz, D. A. & 28 others, Lim, L. F., Mink, R., Moreau, M. C., Nuth, J. A., Reuter, D. C., Simon, A. A., Bierhaus, E. B., Bryan, B. H., Ballouz, R., Barnouin, O. S., Binzel, R. P., Bottke, W. F., Hamilton, V. E., Walsh, K. J., Chesley, S. R., Christensen, P., Clark, B. E., Connolly, H. C., Crombie, M. K., Daly, M. G., Emery, J. P., McCoy, T. J., McMahon, J. W., Scheeres, D. J., Messenger, S., Nakamura-Messenger, K., Righter, K. & Sandford, S. A., Aug 28 2017, (Accepted/In press) In : Space Science Reviews. p. 1-60 60 p.

Research output: Contribution to journalArticle

asteroids
asteroid
resources
spacecraft
resource
1 Citation (Scopus)

Post-projection removal of row- and column-correlated noise in line-scanning data: Application to THEMIS infrared data

Nowicki, K. J., Edwards, C. S. & Christensen, P., Oct 23 2017, 2013 5th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHISPERS 2013. IEEE Computer Society, Vol. 2013-June. 8080692

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Imaging systems
Calibration
Infrared radiation
Scanning
Spectrum analysis
1 Citation (Scopus)

Removal of salt-and-pepper noise in THEMIS infrared radiance and emissivity spectral data of the martian surface

Nowicki, K. J., Edwards, C. S. & Christensen, P., Oct 23 2017, 2013 5th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, WHISPERS 2013. IEEE Computer Society, Vol. 2013-June. 8080598

Research output: Chapter in Book/Report/Conference proceedingConference contribution

White noise
Salts
Color
Infrared radiation
Planets
1 Citation (Scopus)

Well-preserved low thermal inertia ejecta deposits surrounding young secondary impact craters on Mars

Hill, J. R. & Christensen, P., Jun 1 2017, In : Journal of Geophysical Research: Planets. 122, 6, p. 1276-1299 24 p.

Research output: Contribution to journalArticle

ejecta
craters
inertia
mars
crater
2016
6 Citations (Scopus)

Recurring slope lineae and chlorides on the surface of Mars

Mitchell, J. L. & Christensen, P., Aug 1 2016, In : Journal of Geophysical Research E: Planets. 121, 8, p. 1411-1428 18 p.

Research output: Contribution to journalArticle

mars
Chlorides
Mars
chlorides
chloride
8 Citations (Scopus)

The geologic history of Margaritifer basin, Mars

Salvatore, M. R., Kraft, M. D., Edwards, C. S. & Christensen, P., 2016, (Accepted/In press) In : Journal of Geophysical Research E: Planets.

Research output: Contribution to journalArticle

Chaos theory
mars
Mars
histories
history
22 Citations (Scopus)

The sustainability of habitability on terrestrial planets: Insights, questions, and needed measurements from Mars for understanding the evolution of Earth-like worlds

Ehlmann, B. L., Anderson, F. S., Andrews-Hanna, J., Catling, D. C., Christensen, P., Cohen, B. A., Dressing, C. D., Edwards, C. S., Elkins-Tanton, L., Farley, K. A., Fassett, C. I., Fischer, W. W., Fraeman, A. A., Golombek, M. P., Hamilton, V. E., Hayes, A. G., Herd, C. D. K., Horgan, B., Hu, R., Jakosky, B. M. & 26 others, Johnson, J. R., Kasting, J. F., Kerber, L., Kinch, K. M., Kite, E. S., Knutson, H. A., Lunine, J. I., Mahaffy, P. R., Mangold, N., McCubbin, F. M., Mustard, J. F., Niles, P. B., Quantin-Nataf, C., Rice, M. S., Stack, K. M., Stevenson, D. J., Stewart, S. T., Toplis, M. J., Usui, T., Weiss, B. P., Werner, S. C., Wordsworth, R. D., Wray, J. J., Yingst, R. A., Yung, Y. L. & Zahnle, K. J., Oct 1 2016, In : Journal of Geophysical Research E: Planets. 121, 10, p. 1927-1961 35 p.

Research output: Contribution to journalReview article

habitability
terrestrial planets
Planets
mars
Sustainable development
2015
9 Citations (Scopus)

Evidence for an explosive origin of central pit craters on Mars

Williams, N. R., Bell, J., Christensen, P. & Farmer, J., May 5 2015, In : Icarus. 252, p. 175-185 11 p.

Research output: Contribution to journalArticle

craters
mars
crater
explosive
Mars
12 Citations (Scopus)

Evidence for widespread aqueous sedimentation in the northern plains of Mars

Salvatore, M. R. & Christensen, P., 2014, In : Geology. 42, 5, p. 423-426 4 p.

Research output: Contribution to journalArticle

Mars
outflow
sedimentation
depocenter
hydration
38 Citations (Scopus)

Observations and preliminary science results from the first 100 sols of MSL Rover Environmental Monitoring Station ground temperature sensor measurements at Gale Crater

Hamilton, V. E., Vasavada, A. R., Sebastián, E., De La Torre Juárez, M., Ramos, M., Armiens, C., Arvidson, R. E., Carrasco, I., Christensen, P., De Pablo, M. A., Goetz, W., Gõmez-Elvira, J., Lemmon, M. T., Madsen, M. B., Martín-Torres, F. J., Martínez-Frías, J., Molina, A., Palucis, M. C., Rafkin, S. C. R., Richardson, M. I. & 2 others, Yingst, R. A. & Zorzano, M. P., 2014, In : Journal of Geophysical Research E: Planets. 119, 4, p. 745-770 26 p.

Research output: Contribution to journalArticle

environmental monitoring
ground stations
temperature sensors
Polymethyl Methacrylate
Temperature sensors
12 Citations (Scopus)

On the origin of the Vastitas Borealis Formation in Chryse and Acidalia Planitiae, Mars

Salvatore, M. R. & Christensen, P., 2014, In : Journal of Geophysical Research: Planets. 119, 12, p. 2437-2456 20 p.

Research output: Contribution to journalArticle

mars
Mars
formation mechanism
Fluids
fluid
16 Citations (Scopus)

The formation of infilled craters on Mars: Evidence for widespread impact induced decompression of the early martian mantle?

Edwards, C. S., Bandfield, J. L., Christensen, P. & Rogers, A. D., Jan 15 2014, In : Icarus. 228, p. 149-166 18 p.

Research output: Contribution to journalArticle

pressure reduction
decompression
craters
mars
crater
4 Citations (Scopus)

The location of Airy-0, the Mars prime meridian reference, from stereo photogrammetric processing of THEMIS IR imaging and digital elevation data

Duxbury, T. C., Christensen, P., Smith, D. E., Neumann, G. A., Kirk, R. L., Caplinger, M. A., Albee, A. A., Seregina, N. V., Neukum, G. & Archinal, B. A., 2014, In : Journal of Geophysical Research: Planets. 119, 12, p. 2471-2486 16 p.

Research output: Contribution to journalArticle

heat emissions
datum (elevation)
Infrared imaging
thermal emission
Imaging systems
2013
5 Citations (Scopus)
thermal emission
Imaging systems
Minerals
Rocks
minerals
30 Citations (Scopus)

An impact origin for hydrated silicates on Mars: A synthesis

Tornabene, L. L., Osinski, G. R., McEwen, A. S., Wray, J. J., Craig, M. A., Sapers, H. M. & Christensen, P., 2013, In : Journal of Geophysical Research E: Planets. 118, 5, p. 994-1012 19 p.

Research output: Contribution to journalArticle

Silicates
mars
Mars
silicates
silicate
19 Citations (Scopus)

Determining olivine composition of basaltic dunes in Gale Crater, Mars, from orbit: Awaiting ground truth from Curiosity

Lane, M. D. & Christensen, P., Jul 28 2013, In : Geophysical Research Letters. 40, 14, p. 3517-3521 5 p.

Research output: Contribution to journalArticle

Mars craters
dunes
ground truth
olivine
crater

Mars student imaging project: Real research by secondary students

Boonstra, S. K. & Christensen, P., Feb 22 2013, In : Science. 339, 6122, p. 920-921 2 p.

Research output: Contribution to journalArticle

Mars
Spacecraft
United States National Aeronautics and Space Administration
Students
Research
4 Citations (Scopus)
planetary surfaces
Mineralogy
mineralogy
Infrared spectroscopy
infrared spectroscopy
2012
23 Citations (Scopus)

Allophane detection on Mars with Thermal Emission spectrometer data and implications for regional-scale chemical weathering processes

Rampe, E. B., Kraft, M. D., Sharp, T., Golden, D. C., Ming, D. W. & Christensen, P., Nov 2012, In : Geology. 40, 11, p. 995-998 4 p.

Research output: Contribution to journalArticle

allophane
chemical weathering
Mars
spectrometer
weathering
29 Citations (Scopus)

Ancient volcanism and its implication for thermal evolution of Mars

Xiao, L., Huang, J., Christensen, P., Greeley, R., Williams, D., Zhao, J. & He, Q., Mar 15 2012, In : Earth and Planetary Science Letters. 323-324, p. 9-18 10 p.

Research output: Contribution to journalArticle

Volcanoes
thermal evolution
volcanoes
mars
Mars
17 Citations (Scopus)

Coils and polygonal crust in the Athabasca Valles region, Mars, as evidence for a volcanic history

Ryan, A. J. & Christensen, P., Apr 27 2012, In : Science. 336, 6080, p. 449-452 4 p.

Research output: Contribution to journalArticle

Mars
Ice
History
Rheology
5 Citations (Scopus)

Identification and mapping of dikes with relatively primitive compositions in Thaumasia Planum on Mars: Implications for Tharsis volcanism and the opening of Valles Marineris

Huang, J., Edwards, C. S., Horgan, B. H. N., Christensen, P., Kraft, M. D. & Xiao, L., 2012, In : Geophysical Research Letters. 39, 17, L17201.

Research output: Contribution to journalArticle

rock intrusions
mars
Mars
dike
volcanism

Io Volcano Observer's (IVO) integrated approach to optimizing system design for radiation challenges

Adams, E., Hibbard, K., Turtle, E., Reynolds, E., Anderson, B., Paranicas, C., Rogers, G., McAdams, J., Roth, D., Christensen, P., McEwen, A., Wieser, M., Thomas, N., Wurz, P. & Janesick, J., 2012, IEEE Aerospace Conference Proceedings. 6187177

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Io
Volcanoes
integrated approach
systems engineering
volcanoes
2 Citations (Scopus)
polar caps
annuli
Ice
thermal emission
Spectrometers
38 Citations (Scopus)

Planning for mars returned sample science: Final report of the MSR end-to-end international science analysis group (E2E-iSAG)

McLennan, S., Sephton, M., Beaty, D., Hecht, M., Pepin, B., Leya, I., Jones, J., Weiss, B., Race, M., Rummel, J., Buxbaum, K., Conley, C., Backes, P., Hemming, S., Pierce, E., Rasbury, T., Jakosky, B., Mahaffy, P., Bass, D., Bridges, J. & 22 others, Budney, C., Christensen, P., Coleman, M., Fernández-Remolar, D., Glavin, D., Goesmann, F., Grotzinger, J., Javaux, E., Johnson, J., May, L., McSween, H., Morris, D., Mustard, J., Niles, P., Papike, J., Smith, C., Steele, A., Velbel, M., Westall, F., Whetsel, C., Wray, J. & Zurek, R., Mar 1 2012, In : Astrobiology. 12, 3, p. 175-230 56 p.

Research output: Contribution to journalArticle

Mars
mars
planning
sampling
Atmosphere
28 Citations (Scopus)

Surface properties of the Mars Science Laboratory candidate landing sites: Characterization from orbit and predictions

Fergason, R. L., Christensen, P., Golombek, M. P. & Parker, T. J., Sep 2012, In : Space Science Reviews. 170, 1-4, p. 739-773 35 p.

Research output: Contribution to journalArticle

landing sites
site characterization
inertia
surface properties
Mars
Phobos
transit
regolith
inertia
surface cooling
2011
75 Citations (Scopus)

Asteroid (101955) 1999 RQ36: Spectroscopy from 0.4 to 2.4μm and meteorite analogs

Clark, B. E., Binzel, R. P., Howell, E. S., Cloutis, E. A., Ockert-Bell, M., Christensen, P., Barucci, M. A., DeMeo, F., Lauretta, D. S., Connolly, H., Soderberg, A., Hergenrother, C., Lim, L., Emery, J. & Mueller, M., Dec 2011, In : Icarus. 216, 2, p. 462-475 14 p.

Research output: Contribution to journalArticle

meteorites
asteroids
asteroid
meteorite
spectroscopy
34 Citations (Scopus)

Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars

Zipfel, J., Schröder, C., Jolliff, B. L., Gellert, R., Herkenhoff, K. E., Rieder, R., Anderson, R., Bell, J., Brückner, J., Crisp, J. A., Christensen, P., Clark, B. C., De Souza, P. A., Dreibus, G., D'uston, C., Economou, T., Gorevan, S. P., Hahn, B. C., Klingelhöfer, G., Mccoy, T. J. & 9 others, Mcsween, H. Y., Ming, D. W., Morris, R. V., Rodionov, D. S., Squyres, S. W., Wänke, H., Wright, S. P., Wyatt, M. B. & Yen, A. S., Jan 2011, In : Meteoritics and Planetary Science. 46, 1, p. 1-20 20 p.

Research output: Contribution to journalArticle

shergottite
basalt
mars
Mars
rocks