Results 111 to 120 of about 9,352 (198)

Ground Robotic Hand Applications for the Space Program study (GRASP) [PDF]

open access: yes
This document reports on a NASA-STDP effort to address research interests of the NASA Kennedy Space Center (KSC) through a study entitled, Ground Robotic-Hand Applications for the Space Program (GRASP).
Grissom, William A., Rafla, Nader I.
core   +1 more source

Debris/Ice/TPS Assessment and Photographic Analysis for Shuttle Mission STS-38 [PDF]

open access: yes
A debris/ice/TPS assessment and photographic analysis was conducted for the Space Shuttle Mission STS-38. Debris inspection of the flight elements and launch pad were performed before and after launch.
Davis, J. Bradley   +1 more
core   +1 more source

Space shuttle flight readiness firing dress rehearsal for STS-1 [PDF]

open access: yes
The static firing of the Space Shuttle Main Engine in preparation for the launch of the Enterprise Orbiter is discussed. The following were also tested: structures and mechanics; thermal design integration; propulsion and power; avionics and software ...
Riles, W. L.
core   +1 more source

A dynamic measure of controllability and observability for the placement of actuators and sensors on large space structures [PDF]

open access: yes
The degree of controllability of a large space structure is found by a four step procedure: (1) finding the minimum control energy for driving the system from a given initial state to the origin in the prescribed time; (2) finding the region of initial ...
Carignan, C. R., Vandervelde, W. E.
core   +1 more source

Applying the Dark Target Aerosol Algorithm with Advanced Himawari Imager Observations During the KORUS-AQ Field Campaign [PDF]

open access: yes
For nearly 2 decades we have been quantitatively observing the Earth's aerosol system from space at one or two times of the day by applying the Dark Target family of algorithms to polar-orbiting satellite sensors, particularly MODIS and VIIRS.
Gupta, Pawan   +5 more
core   +1 more source

Shuttle Ground Operations Efficiencies/Technologies (SGOE/T) study. Volume 2: Ground Operations evaluation [PDF]

open access: yes
The Ground Operations Evaluation describes the breath and depth of the various study elements selected as a result of an operational analysis conducted during the early part of the study.
Hart, M. T., Lowry, D. J., Scholz, A. L.
core   +1 more source

Global scaling of urban air quality. [PDF]

open access: yesPLoS One
Wurm M   +3 more
europepmc   +1 more source

Assessment of OMI Near-UV Aerosol Optical Depth over Land [PDF]

open access: yes
This is the first comprehensive assessment of the aerosol optical depth (AOD) product retrieved from the near-UV observations by the Ozone Monitoring Instrument (OMI) onboard the Aura satellite.
Ahn, Changwoo   +2 more
core   +1 more source

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