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    Webb, J. E. | NTRS | 1965
    Keywords: General

    2016 ASGSR MaterialsLab Overview

    McCaghren, Donnie / Rogers, Jan / Frost, Cynthia | NTRS | 2016
    Keywords: Space Sciences (General)

    2017 Eclipse Across America Through the Eyes of NASA

    Spann, James | NTRS | 2017
    Keywords: General

    2021 PDC Hypothetical Impact Exercise: Probabilistic Asteroid Impact Risk

    Lorien F Wheeler / Jessie Dotson / Michael Aftosmis et al. | NTRS
    Keywords: Aeronautics (General)

    A bibliography of planetary geology principal investigators and their associates, 1979 - 1980

    Lettvin, E. / Boyce, J. M. | NTRS | 1980
    Keywords: Space Sciences (General)

    A bibliography of planetary geology principal investigators and their associates, 1982 - 1983

    Plescia, J. B. | NTRS | 1984
    Keywords: Space Sciences (General)

    Absorption of sound in air below 1000 cps.

    Harris, C. M. / Tempest, W. | NTRS | 1964
    Keywords: Physics, General

    A candidate mission using the Shuttle and solar electric propulsion

    Duxbury, J. H. / Finke, R. C. | NTRS | 1977
    Keywords: Astronautics (General)

    A Collision Avoidance Strategy for a Potential Natural Satellite Around the Asteroid Bennu for the OSIRIS-REx Mission

    Mashiku, Alinda / Carpenter, Russell | NTRS | 2016
    Keywords: Astronautics (General)

    A Comparison of Damaging Meteoroid and Orbital Debris Fluxes in Earth Orbit

    Cooke, William / Matney, Mark / Moorhead, Althea V. et al. | NTRS | 2017
    Keywords: Space Sciences (General)

    A Comparison of Fast Hyperspectral Radiative Transfer Models

    Wilson, Chris / Aumann, George | NTRS | 2016
    Keywords: Space Sciences (General)

    A Comparison of Results from NASA's Meteoroid Engineering Model to the Long Duration Exposure Facility Cratering Record

    Ehlert, Steven / Moorhead, Althea / Cooke, William J. | NTRS | 2017
    Keywords: Space Sciences (General)

    Acoustic Emission Investigation

    Chasek, Miles D. / Chen, Colin X. | NTRS | 2016
    Keywords: Engineering (General)

    Acoustic Simulations and Commercial Supersonic Flight

    David Stephens | NTRS
    Keywords: Astronautics (General)

    Acrylic Adhesive Contamination Testing and Mitigations for James Webb Space Telescope (JWST) and Roman Space Telescope (RST)

    Elaine Stewart / Eve Wooldridge / Alan Abeel et al. | NTRS
    Keywords: Engineering (General)

    A 'crytic' microbial mat: A new model ecosystem for extant life on Mars

    Rothschild, L. J. | NTRS | 1995
    Keywords: Life Sciences (General)

    Active Tunable Filters Based Phase-change Materials and Surface Plasmon Resonance

    Hyun Jung Kim / Matthew Julian / Calum Williams et al. | NTRS
    Keywords: Chemistry And Materials (General)

    Adapting Plants to the Space Environment for Improved Crop Productivity and Safety

    Gioia Massa / Trent Smith / Elison Blancaflor et al. | NTRS
    Keywords: Life Sciences (General)

    Adhesion between atomically clean surfaces

    Keller, D. V., Jr. | NTRS | 1964
    Keywords: Physics, General

    A double-focusing magnetic mass spectrometer for satellite use

    Hall, L. G. / Reber, C. A. | NTRS | 1966
    Keywords: Physics, General

    Advanced Air Mobility (aka Air Taxis and Flying Cars)

    Susan A Gorton | NTRS
    Keywords: Aeronautics (General)

    Advanced Ground Systems Maintenance Physics Models for Diagnostics Project

    Harp, Janicce Leshay | NTRS | 2014
    Keywords: Space Sciences (General)

    Advanced Materials Development for Extreme Environments at NASA Glenn Research Center

    Jamesa L Stokes | NTRS
    Keywords: Chemistry and Materials (General)

    Aerocapture, Entry Descent and Landing (AEDL) Overview

    Michelle M Munk | NTRS
    Keywords: General

    Aerosol-Cloud Interactions in Seasonal Prediction

    Donifan Barahona / Andrea Molod / Zhao Li et al. | NTRS
    Keywords: Geosciences (General)

    A Global Search for Aerosol-Cloud Interaction Signals Using Cloud Regimes

    Oraiopoulos, Lazaros | NTRS | 2019
    Keywords: Geosciences (General)

    A High Uniformity and High SNR Imaging Spectrometer for Science Measurements of the National Ecosystem Observatory Network (NEON)

    Green, Robert O. / Eastwood, Michael / Bruce, Carl | NTRS | 2009
    Keywords: Geosciences (General)

    ALS Plant Research at NASA's Kennedy Space Center

    Wheeler, Raymond M. | NTRS | 2007
    Keywords: Life Sciences (General)

    Alterations in glucose and protein metabolism in animals subjected to simulated microgravity

    Mondon, C. E. / Rodnick, K. J. / Azhar, S. et al. | NTRS | 1992
    Keywords: Life Sciences (General)

    Alternative Plasma Sources for Space Agricultural Applications

    Kenneth Engeling / Annie Meier / Gioia Massa et al. | NTRS | 2021
    Keywords: Life Sciences (General)

    Altimetry for the Future: Building on 25 Years of Progress

    Saleh Abdalla / Abdolnabi Abdeh Kolahchi / Susheel Adusumilli et al. | NTRS | 2021
    Keywords: Space Sciences (General) , Geosciences (General)

    A minimal living system and the origin of a protocell

    Oro, J. / Lazcano, A. | NTRS | 1984
    Keywords: Life Sciences (General)

    A Model for Earth's Surface Mass Transport: Integrating Polar Ice Sheets and Global Geodetic Observations

    Adhikari, Surendra / Ivins, Erk R. / Larour, Eric | NTRS | 2016
    Keywords: Geosciences (General)

    A Molecular Exploration of the XROOTS Hydroponic/Aeroponic System on ISS​

    Cory Spern / Christina Khodadad / Mary Peterson Hummerick et al. | NTRS
    Keywords: Life Sciences (General)

    Amphibian egg cytoplasm response to altered g-forces and gravity orientation

    Neff, A. W. / Smith, R. C. / Malacinski, G. M. | NTRS | 1986
    Keywords: Life Sciences (General)

    An Agile-Like Approach to Hardware Development: The Ejectable Data Recorder (EDR) for Orion’s Ascent Abort 2 (AA-2) Test Flight

    Kristina Rojdev / Antony Williams / Jenny Devolites et al. | NTRS
    Keywords: Engineering (General)

    Analysis of Cislunar Transfers Departing from A Near Rectilinear Halo Orbit Using Solar Electric Propulsion

    Scott Karn / Steven McCarty / Melissa L McGuire | NTRS
    Keywords: Astronautics (General)

    Analysis of empirical sound fields

    Reisig, G. H. R. | NTRS | 1967
    Keywords: Physics, General

    Analysis of empirical sound fields

    Reisig, G. H. R. | NTRS | 1965
    Keywords: Physics, General

    Analysis of IRAS data for orbital debris

    Anz-Meador, P. D. / Oro, D. M. / Kessler, D. J. et al. | NTRS | 1986
    Keywords: Astronautics (General)

    Analysis of remote reflectin spectroscopy to monitor plant health

    Woodhouse, R. / Heeb, M. / Berry, W. et al. | NTRS | 1994
    Keywords: Life Sciences (General)

    Analysis of Russian ASAT Debris Cloud

    Mark Matney | NTRS
    Keywords: Space Sciences (General)

    Analytical pyrolysis experiments of Titan aerosol analogues in preparation for the Cassini Huygens mission

    Ehrenfreund, P. / Boon, J. J. / Commandeur, J. et al. | NTRS | 1995
    Keywords: Life Sciences (General)

    An Analysis of the FY-1C, Iridium 33, and Cosmos 2251 Fragments

    Liou, J.-C. | NTRS | 2014
    Keywords: Space Sciences (General)

    A NASA heliospheric program

    Smith, E. J. | NTRS | 1989
    Keywords: Astronautics (General)

    An Autonomous Martian Greenhouse for Crop Production Research Mars Operational Agricultural System for In-Situ Specialization

    Chris Tomso / Noah McCreight / Alex Lampe et al. | NTRS | 2023
    Keywords: Life Sciences (General) , Engineering (General)