Numerical Simulation of Illumination and Thermal Conditions at the Lunar Poles Using LOLA DTMs

Abstract: We are interested in illumination conditions and the temperature distribution within the upper two meters…

Parametric Covariance Model for Horizon-Based Optical Navigation

Abstract: This Note presents an entirely parametric version of the covariance for horizon-based optical navigation measurements.…

Optical Testing of the James Webb Space Telescope

Abstract: The James Webb Space Telescope (JWST) will be a large infrared telescope with a 6.5-meter…

Benefits of International Collaboration on the International Space Station

Abstract: The International Space Station is a valuable platform for research in space, but the benefits…

Benefits of International Collaboration on the International Space Station

Abstract: The International Space Station is a valuable platform for research in space, but the benefits…

Multimodel Ensemble Methods for Prediction of Wake-Vortex Transport and Decay Originating NASA

Abstract: Several multimodel ensemble methods are selected and further developed to improve the deterministic and probabilistic…

The Broadband Spectral Variability of Holmberg IX X-1

Abstract: We present results from four new broadband X-ray observations of the extreme ultraluminous X-ray source…

Kinematic Alignment and Bonding of Silicon Mirrors for High-Resolution Astronomical X-Ray Optics

Abstract: Optics for the next generation's high-resolution, high throughput x-ray telescope requires fabrication of well-formed lightweight…

Precise Determination of the 1s Lamb Shift in Hydrogen-Like Lead and Gold Using Microcalorimeters

Abstract: Quantum electrodynamics in very strong Coulomb fields is one scope which has not yet been…

Examining the Angular Resolution of the Astro-H’s Soft X-Ray Telescopes

Abstract: The international x-ray observatory ASTRO-H was renamed Hitomi after launch. It covers a wide energy…