Abstract: This document is the Final Report for NASA Innovative Advanced Concepts (NIAC) Phase I Grant…
Author: New NASA STI
Identification of the Hard X-Ray Source Dominating the E > 25 keV Emission of the Nearby Galaxy M31
Abstract: We report the identification of a bright hard X-ray source dominating the M31 bulge above…
Temporal Gain Correction for X-Ray Calorimeter Spectrometers
Abstract: Calorimetric X-ray detectors are very sensitive to their environment. The boundary conditions can have a…
Flying Through Polytropes
Abstract: Dropping objects into a tunnel bored through Earth has been used to visualize simple harmonic…
C/NOFS Remote Sensing of Ionospheric Reflectance
Abstract: Alfvn waves play critical roles in the electrodynamic coupling of plasmas at magnetically conjugate regions…
Observations of the Minor Species Al and Fe in Mercury’s Exosphere
Abstract: We report here on the first observational evidence of Al and Fe in the exosphere…
Laboratory Investigations into the Spectra and Origin of Propylene Oxide: A Chiral Interstellar Molecule
Abstract: Propylene oxide was recently identified in the interstellar medium, but few laboratory results are available…
An Active Learning Framework for Hyperspectral Image Classification Using Hierarchical Segmentation
Abstract: Augmenting spectral data with spatial information for image classification has recently gained significant attention, as…
A Spatiotemporal Indexing Approach for Efficient Processing of Big Array-Based Climate Data with MapReduce
Abstract: Climate observations and model simulations are producing vast amounts of array-based spatiotemporal data. Efficient processing…
Understanding Temporal and Spatial Variability of the Lunar Helium Atmosphere Using Simultaneous Observations from LRO, LADEE, and ARTEMIS
Abstract: Simultaneous measurements of helium in the exosphere of the Moon are made from the Lunar…