Abstract: The abundance of evidence that liquid water flowed on the surface early in Mars' history…
Author: New NASA STI
Training, Retention, and Transfer of Data Entry Perceptual and Motoric Processes Over Long Retention Intervals
Abstract: Subjects trained in a standard data entry task, which involved typing numbers (e.g., 5421) using…
Radiation Environment Effects on Spacecraft
Abstract: Space poses a variety of radiation hazards. These hazards pose different risks for different missions…
Conjunction Assessment Screening Volume Sizing and Event Filtering in Light of Natural Conjunction Event Development Behaviors
Abstract: No abstract available
Differential Drag Demonstration: A Post-Mission Experiment with the EO-1 Spacecraft
Abstract: Differential drag is a technique for altering the semi-major axis, velocity, and along-track position of…
Update on Bayesian Blocks: Segmented Models for Sequential Data
Abstract: The Bayesian Block algorithm, in wide use in astronomy and other areas, has been improved…
A Year in the Life of the NASA Electronic Parts and Packaging (NEPP) Program
Abstract: NEPP Mission Statement: Provide NASAs leadership for developing and maintaining guidance for the screening, qualification,…
Objective Assessment Method for RNAV STAR Adherence
Abstract: Flight crews and air traffic controllers have reported many safety concerns regarding area navigation standard…
RNAV STAR Procedural Adherence
Abstract: In this exploratory archival study we mined the performance of 24 major US airports area…
Enabling Future Science and Human Exploration with NASA’s Next Generation Near Earth and Deep Space Communications and Navigation Architecture
Abstract: The National Aeronautics and Space Administration (NASA) is studying alternatives for the United States space…