- Astro and Planetary Science
- Planetary Science and Exploration
- Stellar, planetary, and galactic studies
- Geology and Paleoclimatology Research
- Space Exploration and Technology
- High-pressure geophysics and materials
- High-Velocity Impact and Material Behavior
- Space Science and Extraterrestrial Life
- Geological and Geochemical Analysis
- Isotope Analysis in Ecology
- Space Satellite Systems and Control
- Geomagnetism and Paleomagnetism Studies
- Space exploration and regulation
- Gamma-ray bursts and supernovae
- Astrophysics and Star Formation Studies
- Solar and Space Plasma Dynamics
- earthquake and tectonic studies
- Methane Hydrates and Related Phenomena
- Spacecraft and Cryogenic Technologies
- Nuclear Physics and Applications
- Particle Dynamics in Fluid Flows
- Spaceflight effects on biology
- Geophysics and Gravity Measurements
- Granular flow and fluidized beds
- Sports Dynamics and Biomechanics
Southwest Research Institute
2013-2022
University of Central Florida
2021
Colorado School of Mines
2021
Massachusetts Institute of Technology
2021
Sorbonne Université
2021
Centre National de la Recherche Scientifique
2021
Auburn University
2021
Lunar and Planetary Institute
2021
University of Arizona
1996-1999
University of Florida
1992-1994
We used existing data from the New Horizons LORRI camera to measure optical-band ($0.4\lesssimλ\lesssim0.9{\rmμm}$) sky brightness within seven high galactic latitude fields. The average raw level measured while was 42 45 AU Sun is $33.2\pm0.5{\rm ~nW ~m^{-2} ~sr^{-1}}.$ This $\sim10\times$ darker than darkest accessible {\it Hubble Space Telescope}, highlighting utility of for detecting cosmic optical background (COB). Isolating COB contribution total requires subtracting scattered light...
The trajectories of low‐ and high‐energy ejecta from the Chicxulub impact crater have been computed using a numerical code compared with analyses debris deposited in K/T boundary sections. These calculations indicate that low‐energy produces centimeter‐ to meter‐thick deposits within ∼4000 km point impact, although its azimuthal distribution depends on incident angle projectile surface Earth. or vapor plume rises through atmosphere isotropically expands at top atmosphere. velocity this...
Abstract Geologists have long conducted laboratory experiments to offer a controlled environment for understanding processes that occur in nature and linking those with natural geologic landforms. And, over 70 yr, pilots researchers accessed reduced-gravity microgravity conditions by flying aircraft parabolic arc-shaped trajectories. However, only recently (technically since the 1980s but practically 2010s) has experimental geology begun find home flight application solid-bodied worlds of...