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Matching Records: 61
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Photosynthetic Efficiency of Northern Forest Ecosystems Using a MODIS-Derived Photochemical Reflectance Index (PRI)
Document ID: 20170003352
External Online Source:

Author: Middleton, E. M.; Huemmrich, K. F.; Landis, D. R.; Black, T. A.; Barr, A. G.; McCaughey, J. H.
Abstract: This study evaluates a direct remote sensing approach from space for the determination of ecosystem hide
Publication Year: 2016
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN41404
Date Acquired: Apr 25, 2017
Surface Water-Ice Deposits in the Northern Shadowed Regions of Ceres
Document ID: 20170000476
External Online Source:

Author: Platz, T.; Nathues, A.; Schorghofer, N.; Preusker, F.; Mazarico, E.; Schroeder, S. E.; Byrne, S.; Kneissl, T.; Schmedemann, N.; Combe, J.-P.; hide
Abstract: Ceres, a dwarf planet located in the main asteroid belt, has a low bulk density, and models predict hide
Publication Year: 2016
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN38267
Date Acquired: Jan 20, 2017
Flexible-Path Human Exploration
Document ID: 20150008926
External Online Source:

Author: Sherwood, B.; Adler, M.; Alkalai, L.; Burdick, G.; Coulter, D.; Jordan, F.; Naderi, F.; Graham, L.; Landis, R.; Drake, B.; hide
Abstract: In the fourth quarter of 2009 an in-house, multi-center NASA study team briefly examined hide
Publication Year: 2010
Document Type: Conference Paper
Date Acquired: May 29, 2015
Missions to Near-Earth Asteroids: Implications for Exploration, Science, Resource Utilization, and Planetary Defense
Document ID: 20120018073
NTRS Full-Text: Click to View  [PDF Size: 17 KB]
Author: Abell, P. A.; Sanders, G. B.; Mazanek, D. D.; Barbee, B. W.; Mink, R. G.; Landis, R. R.; Adamo, D. R.; Johnson, L. N.; Yeomans, D. K.; Reeves, D. M.; hide
Abstract: Introduction: In 2009 the Augustine Commission identified near-Earth asteroids (NEAs) as high hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: JSC-CN-27229
Date Acquired: Dec 28, 2012
EO-1/Hyperion: Nearing Twelve Years of Successful Mission Science Operation and Future Plans
Document ID: 20120014258
NTRS Full-Text: Click to View  [PDF Size: 767 KB]
Author: Middleton, Elizabeth M.; Campbell, Petya K.; Huemmrich, K. Fred; Zhang, Qingyuan; Landis, David R.; Ungar, Stephen G.; Ong, Lawrence; Pollack, Nathan H.; Cheng, Yen-Ben
Abstract: The Earth Observing One (EO-1) satellite is a technology demonstration mission that was launched in hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: GSFC.CP.6900.2012
Date Acquired: Oct 02, 2012
Human Missions to Near-Earth Asteroids: An Update on NASA's Current Status and Proposed Activities for Small Body Exploration
Document ID: 20120003592
NTRS Full-Text: Click to View  [PDF Size: 23 KB]
Author: Abell, P. A.; Mazanek, D. D.; Barbee, B. W.; Mink, R. G.; Landis, R. R.; Adamo, D. R.; Johnson, L. N.; Yeomans, D. K.; Reeves, D. M.; Larman, K. T.; hide
Abstract: Over the past several years, much attention has been focused on the human exploration of near-Earth hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: JSC-CN-26011
Date Acquired: Mar 30, 2012
Human Missions to Near-Earth Asteroids: An Update on NASA's Current Status and Proposed Activities for Small Body Exploration
Document ID: 20120003559
NTRS Full-Text: Click to View  [PDF Size: 20 KB]
Author: Abell, P. A.; Mazanek, D. D.; Barbee, B. W.; Mink, R. G.; Landis, R. R.; Adamo, D. R.; Johnson, L. N.; Yeomans, D. K.; Reeves, D. M.; Larman, K. T.; hide
Abstract: Introduction: Over the past several years, much attention has been focused on the human exploration hide
Publication Year: 2012
Document Type: Conference Paper
Report/Patent Number: JSC-CN-26008
Date Acquired: Mar 29, 2012
Maximum Torque and Momentum Envelopes for Reaction Wheel Arrays
Document ID: 20110015369
NTRS Full-Text: Click to View  [PDF Size: 709 KB]
Author: Markley, F. Landis; Reynolds, Reid G.; Liu, Frank X.; Lebsock, Kenneth L.
Abstract: Spacecraft reaction wheel maneuvers are limited by the maximum torque and/or angular momentum that hide
Publication Year: 2009
Document Type: Preprint
Report/Patent Number: GSFC.JA.4770.2011
Date Acquired: Sep 15, 2011
The Pathfinder Microrover
Document ID: 20060036097
External Online Source:

Author: Matijevic, J. R.; Bickler, D. B.; Braun, D. F.; Eisen, H. J.; Matthies, L. H.; Mishkin, A. H.; Stone, H. W.; van Nieuwstadt, L. M.; Wen, L. C.; Wilcox, B. H.; hide
Abstract: An exciting scientific component of the Pathfinder mission is the rover, which will act as a hide
Publication Year: 1996
Document Type: Preprint
Date Acquired: Sep 14, 2006
The Space Technology-7 Disturbance Reduction System Precision Control Flight Validation Experiment Control System Design
Document ID: 20060026219
NTRS Full-Text: Click to View  [PDF Size: 7.7 MB]
Author: O'Donnell, James R.; Hsu, Oscar C.; Maghami, Peirman G.; Markley, F. Landis
Abstract: As originally proposed, the Space Technology-7 Disturbance Reduction System (DRS) project, managed hide
Publication Year: 2006
Document Type: Conference Paper
Report/Patent Number: ISTS-2006-160645
Date Acquired: Aug 23, 2006
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