Výsledky vyhledávání - "Matthew. A. Siegler"

Akademický článek

Investigating the Stability and Distribution of Surface Ice in Mercury’s Northernmost Craters

Autor: Allison K. Glantzberg, Nancy L. Chabot, Michael K. Barker, Erwan Mazarico, Matthew A. Siegler, Jose M. Martinez Camacho, Colin D. Hamill, Edgard G. Rivera-Valentín, Heather Meyer, Stefano Bertone, Ariel N. Deutsch

Publikováno v: The Planetary Science Journal, Vol 4, Iss 6, p 107 (2023)

Observations made by Earth-based radar telescopes and the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft provided compelling evidence for water ice in Mercury's polar craters. In our investigation, we constructed

Externí odkaz: https://doaj.org/article/a097a970e0844a6f932cd42d3968f40e

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Akademický článek

Highly Resolved Topography and Illumination at Mercury’s South Pole from MESSENGER MDIS NAC

Autor: Stefano Bertone, Erwan Mazarico, Michael K. Barker, Matthew A. Siegler, Jose M. Martinez-Camacho, Colin D. Hamill, Allison K. Glantzberg, Nancy L. Chabot

Publikováno v: The Planetary Science Journal, Vol 4, Iss 2, p 21 (2023)

Mercury’s south polar region is of particular interest since Arecibo radar measurements show many high-reflectance regions consistent with ice deposits. However, current elevation information in Mercury’s southern hemisphere is not sufficient to

Externí odkaz: https://doaj.org/article/5ac98faa9997489882fd00f02d1687cf

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Akademický článek

Shallow Regolith Structure and Obstructions Detected by Lunar Regolith Penetrating Radar at Chang’E-5 Drilling Site

Autor: Jianqing Feng, Matthew A. Siegler, Mackenzie N. White

Publikováno v: Remote Sensing, Vol 14, Iss 14, p 3378 (2022)

This work analyzes the observations from the Lunar Regolith Penetrating Radar (LRPR) onboard Chang’E-5 to reconstruct the subsurface structure of the regolith under the lander at the drilling site. This is the first stationary Ground-Penetrating Ra

Externí odkaz: https://doaj.org/article/3e6c3a6a98c046f58c3e500fe56f0003

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Seasonal Variations of Soil Thermal Conductivity at the InSight Landing Site

Autor: Matthias Grott, Sylvain Piqueux, Tilman Spohn, Joerg Knollenberg, Christian Krause, Eloise Marteau, Troy L. Hudson, Francois Forget, Lucas Lange, N. Müller, Matthew P. Golombek, Seiichi Nagihara, Paul Morgan, J.P. Murphy, Matthew Adam Siegler, Scott D. King, Donald Banfield, Suzanne E Smrekar, William Bruce Banerdt

Publikováno v: Geophysical Research Letters. 50

The heat flow and physical properties package measured soil thermal conductivity at the landing site in the 0.03 to 0.37 m depth range. Six measurements spanning solar longitudes from 8.0$^\circ$ to 210.0$^\circ$ were made and atmospheric pressure at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5931d37006adf451ef5a84731f11eda8
https://doi.org/10.1029/2023gl102975

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A New Method to Evaluate and Modify Chang’E-2 Microwave Radiometer Low-Frequency Data Constrained From Diviner Thermal Measurements

Autor: Guangfei Wei, Xiongyao Li, Shane Byrne, Jianqing Feng, Matthew A. Siegler

Publikováno v: IEEE Transactions on Geoscience and Remote Sensing. 60:1-13

Microwave emission is influenced by regolith thermophysical properties that can reveal the geological evolution of the Moon. Lunar near-surface microwave emission has been systematically investigated by the microwave radiometer (MRM) onboard Chinese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ac7919a41cdb585caa062d5980c2ea7
https://doi.org/10.1109/tgrs.2021.3077890

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Lunar Heat Flow: Global Predictions and Reduced Heat Flux

Autor: Matthew A Siegler

Lunar Heat Flow model Figures (11a, 11b , and 12). File Qcrust_60Percent_Fraction.txt is gridded to 1/4 degree resolution(721 latitude pixels by 1441 longitude pixels) model assuming a global enhancement of of 60 percent of the lunar crust (with vary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50b0e44dfb6462b3ae5a3f7d0f42bf22

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