Abstract: Astronaut surface observations and close-up images at the Apollo and Chang'e 1 landing sites confirm…
Author: New NASA STI
A Large Ordinary Chondrite Shower in the Dominion Range
Abstract: The US Antarctic Meteorite Program has visited the Dominion Range in the Transantarctic Mountains during…
Mapping the Iron Oxidation State in Martian Meteorites
Abstract: Several types of Martian igneous meteorites have been identified: clinopyroxenites (nakhlites), basaltic shergottites, peridotitic shergottites,…
Reduced Order Modeling of SLS Liquid Hydrogen Pre-Valve Flow Guide to Enable Rapid Transient Analysis
Abstract: NASA is developing a new launch vehicle, called the Space Launch System (SLS), which is…
Analysis of Rawinsonde Spatial Separation for Space Launch Vehicle Applications at the Eastern Range
Abstract: Space launch vehicles develop day-of-launch steering commands based upon the upper-level atmospheric environments in order…
A Computational Fluid Dynamics Study of Swirling Flow Reduction by Using Anti-Vortex Baffle
Abstract: An anti-vortex baffle is a liquid propellant management device placed adjacent to an outlet of…
The Profile Envision and Splice Tool (PRESTO): Developing an Atmospheric Wind Analysis Tool for Space Launch Vehicles Using Python
Abstract: Tropospheric winds are an important driver of the design and operation of space launch vehicles.…
NASA’s Near Earth Asteroid Scout Mission
Abstract: NASA is developing solar sail propulsion for a near-term Near Earth Asteroid (NEA) reconnaissance mission…
Validation of GNSS Multipath Model for Space Proximity Operations Using the Hubble Servicing Mission 4 Experiment
Abstract: In the rendezvous and docking of spacecraft, GNSS signals can reflect off the target vehicle…