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View article: First Use of Laser Ranging to Surface Retroreflectors for Orbit Determination: LRO-LOLA at the Moon
First Use of Laser Ranging to Surface Retroreflectors for Orbit Determination: LRO-LOLA at the Moon Open
We document the first operational demonstration of two-way spacecraft-to-surface laser ranging using Laser Retroreflector Arrays (LRAs) for orbit determination (OD) of the Lunar Reconnaissance Orbiter (LRO). We detail how the Lunar Orbiter…
View article: Shallow Crustal Density in the Lunar South Polar Region
Shallow Crustal Density in the Lunar South Polar Region Open
Numerous space agencies are planning sustainable human presence at the lunar south pole. Understanding the nature of the lunar crust, particularly its three-dimensional density structure, is important, for example, for the search for water…
View article: Combined MLA and BELA altimetry crossover analyses for Mercury geodesy and interior studies
Combined MLA and BELA altimetry crossover analyses for Mercury geodesy and interior studies Open
The Mercury Laser Altimeter (MLA) on board of the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) mission provided the first high-resolution topographic models and geodetic insights about Mercury’s internal structu…
View article: Synchronized Eruptions on Io: Evidence of Interconnected Subsurface Magma Reservoirs
Synchronized Eruptions on Io: Evidence of Interconnected Subsurface Magma Reservoirs Open
On December 27, 2024, Juno’s JIRAM infrared instrument detected an extraordinary volcanic event in Io’s southern hemisphere, spanning approximately 65,000 km² near 73°S, 140°E. The estimated total power output ranges from 140 to 260 terawa…
View article: Synchronized Eruptions on Io: Evidence of Interconnected Subsurface Magma Reservoirs
Synchronized Eruptions on Io: Evidence of Interconnected Subsurface Magma Reservoirs Open
On December 27, 2024, Juno's JIRAM infrared experiment observed an unprecedented volcanic event on Io's southern hemisphere, covering a vast region of ~ 65,000 square km, near 73°S, 140°E. The total power output is estimated between 140 an…
View article: Probing Lateral Density Variations in the Crust from Gravity and Topography: Applications to the Moon and Mars
Probing Lateral Density Variations in the Crust from Gravity and Topography: Applications to the Moon and Mars Open
We present a constraint matrix to be used in the determination of gravity field models from spacecraft tracking data that uses information from topography and that allows for the direct determination of lateral variations in crustal densit…
View article: Informed Design of a Gravity Science Experiment for the Future Geophysical Investigation of the Uranian Moons
Informed Design of a Gravity Science Experiment for the Future Geophysical Investigation of the Uranian Moons Open
The outer solar system beyond Saturn remains unexplored by dedicated orbital missions. With a launch window opening in 2029, the Uranus Orbiter and Probe (UOP) mission has been prioritized as a NASA Flagship mission for the next decade (20…
View article: P109: Multimodal Predictive Modelling for Axillary Nodal Involvement: Integrating Pathology and Clinicopathological EUSOMA Data
P109: Multimodal Predictive Modelling for Axillary Nodal Involvement: Integrating Pathology and Clinicopathological EUSOMA Data Open
View article: A Low‐Viscosity Lower Lunar Mantle Implied by Measured Monthly and Yearly Tides
A Low‐Viscosity Lower Lunar Mantle Implied by Measured Monthly and Yearly Tides Open
The Moon's frequency‐dependent tidal response, expressed as temporal variations in its gravity field through the Love number and as dissipation through the quality factor , provides information about its interior structure. Lunar laser ran…
View article: Author Correction: A low-density ocean inside Titan inferred from Cassini data
Author Correction: A low-density ocean inside Titan inferred from Cassini data Open
View article: Exploring the Uranian system with the Uranus Orbiter & Probe Radio Science experiment: expected performance and possible enhancements
Exploring the Uranian system with the Uranus Orbiter & Probe Radio Science experiment: expected performance and possible enhancements Open
View article: Constraining the Structure under Lunar Impact Basins with Gravity
Constraining the Structure under Lunar Impact Basins with Gravity Open
The lunar gravity field is used to estimate and constrain the depth of mass anomalies under 19 major lunar impact basins. We use radial gravitational spectra, consisting of accelerations computed either per spherical harmonic degree or cum…
View article: Constraining the Venus Interior Structure with Future VERITAS Measurements of the Gravitational Atmospheric Loading
Constraining the Venus Interior Structure with Future VERITAS Measurements of the Gravitational Atmospheric Loading Open
The complex dynamics of the Venus atmosphere produces a periodic mass redistribution pattern that creates a time-variable modulation of the gravity field of Venus. This gravity signal depends on the net transport of mass across the globe a…
View article: VERITAS gravity investigations: measuring Venus’ rotational state, moment of inertia, Love numbers, and atmospheric tides
VERITAS gravity investigations: measuring Venus’ rotational state, moment of inertia, Love numbers, and atmospheric tides Open
The key scientific objective of the NASA/JPL Discovery-class mission VERITAS (Venus Emissivity, Radio science, INSAR, Topography And Spectroscopy) is understanding the links between the interior, surface, and atmospheric evolution.After a …
View article: Implications of Bouguer Gravity Structure Under Major Lunar Basins
Implications of Bouguer Gravity Structure Under Major Lunar Basins Open
Analysis of the lunar Bouguer gravity field under major basins reveals how gravity varies with spherical harmonic degree L and, potentially, with depth (to relate the two we use a relationship based on point masses). We have studied …
View article: Gravity degree–depth relationship using point mass spherical harmonics
Gravity degree–depth relationship using point mass spherical harmonics Open
SUMMARY Relationships between the degree of a spherical harmonic model of the gravitational field of a body and the depth of a source expressed as a density contrast can be used to study the structure of features. Here, we show that the gr…
View article: Regional variations of Mercury's crustal density and porosity from MESSENGER gravity data
Regional variations of Mercury's crustal density and porosity from MESSENGER gravity data Open
View article: The Contribution of Small Impact Craters to Lunar Polar Wander
The Contribution of Small Impact Craters to Lunar Polar Wander Open
Changes in mass distribution affect the gravitational figure and reorient a planetary body’s surface with respect to its rotational axis. The mass anomalies in the present-day lunar gravity field can reveal how the figure and pole position…
View article: Constraining the Internal Structures of Venus and Mars from the Gravity Response to Atmospheric Loading
Constraining the Internal Structures of Venus and Mars from the Gravity Response to Atmospheric Loading Open
The gravity fields of celestial bodies that possess an atmosphere are periodically perturbed by the redistribution of fluid mass associated with atmospheric dynamics. A component of this perturbation is due to the gravitational response of…
View article: Tidal insights into rocky and icy bodies: An introduction and overview
Tidal insights into rocky and icy bodies: An introduction and overview Open
Solid body tides provide key information on the interior structure, evolution, and origin of the planetary bodies. Our Solar system harbours a very diverse population of planetary bodies, including those composed of rock, ice, gas, or a mi…
View article: Estimation of Crust and Lithospheric Properties for Mercury from High-resolution Gravity and Topography
Estimation of Crust and Lithospheric Properties for Mercury from High-resolution Gravity and Topography Open
We have analyzed the entire set of radiometric tracking data from the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission. This analysis employed a method where standard Doppler tracking data were transformed …
View article: Supporting materials for "Estimation of Crust and Lithospheric Properties for Mercury from High-Resolution Gravity and Topography"
Supporting materials for "Estimation of Crust and Lithospheric Properties for Mercury from High-Resolution Gravity and Topography" Open
Various documentation and data files associated with the article published in Planetary Science Journal.
View article: Science Goals and Mission Concept for a Landed Investigation of Mercury
Science Goals and Mission Concept for a Landed Investigation of Mercury Open
Mercury holds valuable clues to the distribution of elements at the birth of the solar system and how planets form and evolve in close proximity to their host stars. This Mercury Lander mission concept returns in situ measurements that add…
View article: Evaluation of Recent Measurements of Mercury’s Moments of Inertia and Tides Using a Comprehensive Markov Chain Monte Carlo Method
Evaluation of Recent Measurements of Mercury’s Moments of Inertia and Tides Using a Comprehensive Markov Chain Monte Carlo Method Open
Recent estimates of Mercury’s rotational state yield different obliquity values, resulting in normalized polar moment of inertia values of either 0.333 or 0.346. In addition, recent measurements of Mercury’s tidal response, as expressed by…
View article: Supereruptions in Northwestern Arabia Terra reveal an early stage of Mars's mantle evolution
Supereruptions in Northwestern Arabia Terra reveal an early stage of Mars's mantle evolution Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Geophysical Research Letters. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn mo…
View article: Dynamic Workflow Composition with OSLO-steps
Dynamic Workflow Composition with OSLO-steps Open
e-Government applications have hard-coded and non-personalized user journeys with high maintenance costs to keep up with, e.g., changing legislation. Automatic administrative workflows are needed. We present the OSLO-steps vocabulary and t…
View article: Mass and Shape Determination of (101955) Bennu Using Differenced Data from Multiple OSIRIS-REx Mission Phases
Mass and Shape Determination of (101955) Bennu Using Differenced Data from Multiple OSIRIS-REx Mission Phases Open
The Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) mission collected a sample from the rubble-pile asteroid (101955) Bennu for return to Earth. For the successful Touch And Go sample …
View article: Patched Local Lunar Gravity Solutions Using GRAIL Data
Patched Local Lunar Gravity Solutions Using GRAIL Data Open
We present a method to determine local gravity fields for the Moon using Gravity Recovery and Interior Laboratory (GRAIL) data. We express gravity as gridded gravity anomalies on a sphere, and we estimate adjustments to a background global…
View article: Mercury Lander: Planetary Mission Concept Study for the 2023-2032\n Decadal Survey
Mercury Lander: Planetary Mission Concept Study for the 2023-2032\n Decadal Survey Open
As an end-member of terrestrial planet formation, Mercury holds unique clues\nabout the original distribution of elements in the earliest stages of solar\nsystem development and how planets and exoplanets form and evolve in close\nproximit…
View article: Mercury Lander: Planetary Mission Concept Study for the 2023-2032 Decadal Survey
Mercury Lander: Planetary Mission Concept Study for the 2023-2032 Decadal Survey Open
As an end-member of terrestrial planet formation, Mercury holds unique clues about the original distribution of elements in the earliest stages of solar system development and how planets and exoplanets form and evolve in close proximity t…