Abstract: This presentation is an overview of research being conducted by NASA and the AFRL, including…
Author: New NASA STI
The Discovery of the Antarctic Ozone Hole
Abstract: The author Nassim Taleb has coined the term ‘‘Black Swan’’ event to describe a very…
A Deep X-Ray Look at Abell 2142-Viscosity Constraints from Kelvin-Helmholtz Eddies, a Displaced Cool Peak that Makes a Warm Core, and A Possible Plasma Depletion Layer
Abstract: cold fronts in detail. We find that the southern cold front exhibits well-developed Kelvin–Helmholtz (KH)…
Age of Martian Air: Time Scales for Martian Atmospheric Transport
Abstract: The mean time since air in the Martian atmosphere was in the low-latitude boundary layer…
Development of a Mars Lidar (MARLI) for Measuring Wind and Aerosol Profiles from Orbit
Abstract: Our understanding of the Mars atmosphere and the coupled atmospheric processes that drive its seasonal…
Swift and NuSTAR Observations of GW170817: Detection of a Blue Kilonova
Abstract: With the first direct detection of merging black holes in 2015, the era of gravitational…
Apodized Pupil Lyot Coronagraphs Designs for Future Segmented Space Telescopes
Abstract: A coronagraphic starlight suppression system situated on a future flagship space observatory offers a promising…
James Webb Space Telescope (JWST) Optical Telescope Element and Integrated Science Instrument Module (OTIS) Cryogenic Test Program and Results
Abstract: In 2017, the James Webb Space Telescope Optical Telescope Element and Integrated Science Instrument Module…
A Three-Dimensional Thermodynamically Based Function for the Progressive Failure of Unidirectional Composites
Abstract: A thermodynamically-based work potential theory for modeling progressive damage for laminated, unidirectional composites assuming plane…
Wear Trends of the HERMeS Thruster as a Function of Throttle Point
Abstract: A series of short-duration (200 h) wear tests were conducted with two Hall Effect Rocket…