Member Since 1997
Ralph D. Lorenz
Principal Professional Staff, Johns Hopkins University Applied Physics Laboratory
AGU Research
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Estimating Near-Surface Martian Winds Using the Ingenuity Helicopter's Attitude
AEOLIAN PROCESSES ON EARTH AND OTHER PLANETARY BODIES II ORAL
earth and planetary surface processes | 13 december 2024
Brian Jackson, Lori K. Fenton, Travis Brown, Asier...
We used attitude data from the Mars 2020 Ingenuity helicopter with a simple steady-state model to estimate windspeeds and directions at altitudes from...
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Global Population of Martian Dust Devil Tracks in High-Resolution Orbital Images
AEOLIAN PROCESSES ON EARTH AND OTHER PLANETARY BODIES I POSTER
earth and planetary surface processes | 13 december 2024
Ingrid Daubar, Matthew F. Chojnacki, Rachel B. Hau...
Dust devil tracks (DDTs) are observed on the surface of Mars in high-resolution (25 cm/pixel) images from the High Resolution Imaging Science Experime...
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Dragonfly: In Situ Exploration of Titan's Prebiotic Chemistry, Habitability, Meteorology, Geology, and Geophysical Characteristics
TITAN FROM ATMOSPHERE TO INTERIOR II POSTER
planetary sciences | 12 december 2024
Elizabeth P. Turtle, Melissa G. Trainer, Jason W. ...
The Dragonfly New Frontiers Mission will send a rotorcraft lander to perform in situ exploration of prebiotic chemical processes and document the habi...
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Seismoacoustic Signals from Airbursts in Titan’s Atmosphere
PLANETARY SEISMOLOGY I ORAL
seismology | 12 december 2024
Elisa Dong, Catherine Neish, John E. Moores, Garet...
The population distribution of outer solar system meteors is not well constrained due to limited observations and difficulties in detecting small impa...
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Exploring Titan's Interior with Dragonfly
INSIGHTS INTO PLANETARY FORMATION AND EVOLUTION FROM INTERDISCIPLINARY PERSPECTIVES I ORAL
study of earth's deep interior | 11 december 2024
Ralph D. Lorenz, Mark P. Panning
The Dragonfly New Frontiers mission to Titan is planned for launch in 2028 with arrival in 2034. In addition to its astrobiological exploration of Tit...
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From Venera Lander micro-topography to DAVINCI descent imaging of topography: Multi-scale analysis of processes from plains to tesserae on Venus
VENUS IN THE NEXT DECADE II ORAL
planetary sciences | 10 december 2024
James B. Garvin, Michael A. Ravine, Stephanie Gett...
The Deep Atmosphere of Venus Investigation of Noble gases, Chemistry, and Imaging (DAVINCI) mission will include Near-IR descent imaging of Venus at s...
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Dust Accumulation and Lifting at the Landing Site of the Mars 2020 Mission, Jezero Crater, as Observed From MEDA
GEOPHYSICAL RESEARCH LETTERS
06 june 2024
Álvaro Vicente-Retortillo, Mark T. Lemmon, German ...
We quantify the effect of dust accumulation at Jezero crater by means of a Dust Correction Factor (DCF) for the solar radiation measured by the pho...
Perseverance MEDA Atmospheric Pressure Observations—Initial Results
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
07 march 2024
Ari-Matti Harri, Mark Paton, Maria Hieta, J Polkko...
The Mars2020 Perseverance Rover landed successfully on the Martian surface on the Jezero Crater floor (18.44°N, 77.45°E) at Martian solar...