Philip R. Christensen
Arizona State University
366 Papers
2.9K Citations
Philip R. Christensen is an academic researcher from Arizona State University. The author has contributed to research in topics: Mars Exploration Program & Thermal Emission Spectrometer. The author has an hindex of 98, co-authored 358 publications. Previous affiliations of Philip R. Christensen include Goddard Space Flight Center.
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Papers
Microscopic emission and reflectance thermal infrared spectroscopy: instrumentation for quantitative in situ mineralogy of complex planetary surfaces
TL;DR: A laboratory technique for a microscopic emission and reflectance spectrometer for the analysis of martian analog materials as a strong candidate for the next generation of in situ instruments designed to definitively assess sample mineralogy and petrology while preserving geologic context is presented.
The many faces of Mars.
TL;DR: One rover found an ancient desert; the other, a once watery world; the Red Planet's diversity rivals Earth's.
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Estimation and mapping of wintertime increase in water ice content of the Martian surface soil based on seasonal Thermal Emission Spectrometer thermal inertia variations
TL;DR: In this article, the authors used both the nomograms of relation between the thermal inertia for dry and icy soil compiled for different water ice content and an analytical approach to estimate and map the wintertime increase of the water ice within the surface soil layer corresponding to the daily thermal skin depth of 2-10 cm.
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A new method for the semiquantitative determination of major rock‐forming minerals with thermal infrared multispectral data: Application to THEMIS infrared data
TL;DR: In this article, the least residual iterative spectral mixture analysis (LRISMA) was proposed to semiquantitatively determine major rock-forming minerals (feldspar, pyroxene, olivine, high-silica phases, and quartz) with multispectral thermal infrared data.
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