B. T. Greenhagen
YOU?
Author Swipe
View article: Discovery of a Lunar Cold Spot at Apollo 16's South Ray Crater
Discovery of a Lunar Cold Spot at Apollo 16's South Ray Crater Open
Lunar cold spots are extensive, ray‐like regions of reduced nighttime temperature surrounding young impact craters. Using improved Diviner temperature maps, we identify a faint cold spot surrounding South Ray crater at the Apollo 16 landin…
View article: Modelled temperature profiles for the observed area for MERTIS during the 5th flyby of BepiColombo.
Modelled temperature profiles for the observed area for MERTIS during the 5th flyby of BepiColombo. Open
. Introduction:Mercury is a fascinating planet for thermal modelers. With extreme temperatures ranging from 100 K at night to over 700 K during the day [1, 2], and its 3:2 spin-orbit resonance with the sun [3], modelling Mercury’s thermal …
View article: MERTIS Thermal Modeling: Mapping Emissivity Variations from BepiColombo’s Mercury Swingby 5
MERTIS Thermal Modeling: Mapping Emissivity Variations from BepiColombo’s Mercury Swingby 5 Open
IntroductionOn December 1st, 2024, the ESA/JAXA spacecraft BepiColombo performed its fifth Mercury swing-by (MSB#5), during which the onboard Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS) [1,2] observed Mercury’s surface fo…
View article: Endurance Science Workshop 2023 Final Report
Endurance Science Workshop 2023 Final Report Open
Endurance is a mission concept to explore and ultimately return samples from the Moon's largest and oldest impact basin, South Pole-Aitken (SPA). SPA holds the answers to many outstanding planetary science questions, including the earliest…
View article: Investigating the Compositional Heterogeneity of Pure, Crystalline Plagioclase Exposures within the Moon’s Anorthositic Crust Using Moon Mineralogy Mapper and Diviner Data
Investigating the Compositional Heterogeneity of Pure, Crystalline Plagioclase Exposures within the Moon’s Anorthositic Crust Using Moon Mineralogy Mapper and Diviner Data Open
Questions about the formation of the primary anorthositic crust of the Moon remain unanswered. Spectroscopic surveys of the lunar crust have evidenced the presence of pure, crystalline plagioclase exposures (PCPEs) across the surface, whic…
View article: Thermal Modelling of Mercury with Roughness and Topography: Comparison with Mariner 10 IRR and Predictions for BepiColombo MERTIS
Thermal Modelling of Mercury with Roughness and Topography: Comparison with Mariner 10 IRR and Predictions for BepiColombo MERTIS Open
The Mercury Radiometer and Infrared Spectrometer (MERTIS) on board the BepiColombo mission [1,2] will map Mercury’s thermal emission at high resolution. In preparation for its arrival at Mercury, we develop a thermal model that accou…
View article: Extended Silicic Volcanism in the Gruithuisen Region—Revisiting the Composition and Thermophysical Properties of Gruithuisen Domes on the Moon
Extended Silicic Volcanism in the Gruithuisen Region—Revisiting the Composition and Thermophysical Properties of Gruithuisen Domes on the Moon Open
The formation mechanisms, extent, and compositions of red spots on the lunar surface have intrigued the lunar community for decades. By identifying a new dome and another silicic crater in the highlands nearby, we find that the silicic vol…
View article: New Insights into Aristarchus Crater with LRO LAMP Far-ultraviolet Observations
New Insights into Aristarchus Crater with LRO LAMP Far-ultraviolet Observations Open
Aristarchus crater is a Copernican-age impact crater well known for its high-albedo ejecta blanket and nearby flow features rich in pyroclastic materials. The Lyman Alpha Mapping Project (LAMP) is a far-ultraviolet (FUV) spectrograph (57–1…
View article: Lunar Vertex: A PRISM Science Investigation of the Reiner Gamma Lunar Magnetic Anomaly and Swirl
Lunar Vertex: A PRISM Science Investigation of the Reiner Gamma Lunar Magnetic Anomaly and Swirl Open
Lunar Vertex is a mission at the intersection of multiple science communities, from planetary geology to space plasma physics. As the first Payloads and Research Investigations on the Surface of the Moon (PRISM1) investigation, scheduled f…
View article: High‐Resolution Nighttime Temperature and Rock Abundance Mapping of the Moon Using the Diviner Lunar Radiometer Experiment With a Model for Topographic Removal
High‐Resolution Nighttime Temperature and Rock Abundance Mapping of the Moon Using the Diviner Lunar Radiometer Experiment With a Model for Topographic Removal Open
The Diviner Lunar Radiometer Experiment on the Lunar Reconnaissance Orbiter (LRO) has been mapping the surface temperatures of the Moon since 5 July 2009. Diviner has since collected over 500 billion radiometric measurements with excellent…
View article: Modeling Thermal Emission under Lunar Surface Environmental Conditions
Modeling Thermal Emission under Lunar Surface Environmental Conditions Open
Thermal emission spectra can provide key insights into the composition and thermophysical properties of the regolith on the Moon and other airless bodies. However, under lunar surface environmental conditions, the uppermost millimeters of …
View article: Spatial Distribution and Thermal Diversity of Surface Volatile Cold Traps at the Lunar Poles
Spatial Distribution and Thermal Diversity of Surface Volatile Cold Traps at the Lunar Poles Open
The polar regions of the Moon host some of the most extreme low temperatures in the inner solar system due to its low obliquity, lack of atmosphere, and topographic relief. Some of these regions are already confirmed to host water ice. Pro…
View article: Temperatures of the Lacus Mortis Region of the Moon
Temperatures of the Lacus Mortis Region of the Moon Open
Over 11 years of data acquired by the Diviner Lunar Radiometer Experiment instrument aboard Lunar Reconnaissance Orbiter have been compiled into a comprehensive data set of surface temperatures in the Lacus Mortis region which includes the…
View article: Exploring a Lunar Magnetic Anomaly: The Lunar Vertex PRISM Mission
Exploring a Lunar Magnetic Anomaly: The Lunar Vertex PRISM Mission Open
Earth and Space Science Open Archive PosterOpen AccessYou are viewing the latest version by default [v2]Exploring a Lunar Magnetic Anomaly: The Lunar Vertex PRISM MissionAuthorsDavidBlewettiDJasperHalekasiDGeorgeHoiDBenjaminGreenhagenBrian…
View article: Exploring a Lunar Magnetic Anomaly: The Lunar Vertex PRISM Mission
Exploring a Lunar Magnetic Anomaly: The Lunar Vertex PRISM Mission Open
NASA designated Reiner Gamma (RG) as the landing site for the first Payloads and Research Investigations on the Surface of the Moon (PRISM) delivery (dubbed PRISM-1a). Reiner Gamma is home to a magnetic anomaly, a region of magnetized crus…
View article: Water Group Exospheres and Surface Interactions on the Moon, Mercury, and Ceres
Water Group Exospheres and Surface Interactions on the Moon, Mercury, and Ceres Open
Water ice, abundant in the outer solar system, is volatile in the inner solar system. On the largest airless bodies of the inner solar system (Mercury, the Moon, Ceres), water can be an exospheric species but also occurs in its condensed f…
View article: The Scientific Value of a Sustained Exploration Program at the Aristarchus Plateau
The Scientific Value of a Sustained Exploration Program at the Aristarchus Plateau Open
The Aristarchus plateau hosts a diversity of volcanic features, including the largest pyroclastic deposit on the Moon, the largest sinuous rille on the Moon, and intrusive and extrusive examples of evolved, Th-rich silicic lithologies. We …
View article: Assessing the Present-Day Impact Flux to the Lunar Surface Via Impact Flash Monitoring and Its Implications for Sustained Lunar Exploration
Assessing the Present-Day Impact Flux to the Lunar Surface Via Impact Flash Monitoring and Its Implications for Sustained Lunar Exploration Open
Whitepaper #200 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: planetary defense; Mercury and/or the Moon; solar system formation, dynamics processes, and chronology
View article: Near-Earth Objects
Near-Earth Objects Open
International audience
View article: New Approaches to Lunar Ice Detection and Mapping
New Approaches to Lunar Ice Detection and Mapping Open
Whitepaper #251 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: habitability and water; Mercury and/or the Moon; solar system formation, dynamics processes, and chronology
View article: Lunar Mineralogy Derived from Improved Diviner Lunar Radiometer Christiansen Feature Maps
Lunar Mineralogy Derived from Improved Diviner Lunar Radiometer Christiansen Feature Maps Open
This dataset contains productions described in Lucey et al. 2021, "Christiansen Feature Map from the Lunar Reconnaissance Orbiter Diviner Lunar Radiometer Experiment: Improved corrections and derived mineralogy," P.G. Lucey, B.T. Greenhage…
View article: Diviner Christiansen Feature Map
Diviner Christiansen Feature Map Open
This tiff file contains a version of the Diviner Christiansen Feature (CF) data set sampled at 32 pixels per degree, covering 360 degrees of longitude and +/- 70 degrees of latitude. In raw CF data the wavelength position of the feature is…
View article: Lunar Mineralogy Derived from Improved Diviner Lunar Radiometer Christiansen Feature Maps
Lunar Mineralogy Derived from Improved Diviner Lunar Radiometer Christiansen Feature Maps Open
This dataset contains productions described in Lucey et al. 2021, "Christiansen Feature Map from the Lunar Reconnaissance Orbiter Diviner Lunar Radiometer Experiment: Improved corrections and derived mineralogy," P.G. Lucey, B.T. Greenhage…
View article: Diviner Christiansen Feature Map
Diviner Christiansen Feature Map Open
This tiff file contains a version of the Diviner Christiansen Feature (CF) data set sampled at 32 pixels per degree, covering 360 degrees of longitude and +/- 70 degrees of latitude. In raw CF data the wavelength position of the feature is…
View article: Lunar Flashlight: Illuminating the Lunar South Pole
Lunar Flashlight: Illuminating the Lunar South Pole Open
Water ice and other volatile compounds may be present on the Moon's surface within permanently shadowed regions (PSRs) near the lunar poles. Understanding the composition, quantity, distribution, and form of water and other volatiles assoc…