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Matching Records: 417
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Mars Array Technology Experiment Developed to Test Solar Arrays on Mars
Document ID: 20050196566
NTRS Full-Text: Click to View  [PDF Size: 51 KB]
Author: Landis, Geoffrey A.
Abstract: Solar arrays will be the power supply for future missions to the planet Mars, including landers, hide
Publication Year: 2001
Document Type: Technical Report
Date Acquired: Aug 04, 2005
Lightweight Sun-Position Sensor Developed
Document ID: 20050196572
NTRS Full-Text: Click to View  [PDF Size: 51 KB]
Author: Landis, Geoffrey A.
Abstract: An orbiting spacecraft needs to be able to accurately locate the position of the Sun so that the hide
Publication Year: 2001
Document Type: Technical Report
Date Acquired: Aug 04, 2005
Origin of Martian Moons from Binary Asteroid Dissociation
Document ID: 20020038729
NTRS Full-Text: Click to View  [PDF Size: 2.7 MB]
Author: Landis, Geoffrey A.; Lyons, Valerie J. (Technical Monitor)
Abstract: The origin of the Martian moons Deimos and Phobos is controversial. A common hypothesis for their hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Apr 12, 2002
A Dust Characterization Experiment for Solar Cells Operating on Mars
Document ID: 20020031145
NTRS Full-Text: Click to View  [PDF Size: 1.0 MB]
Author: Jenkins, Phillip; Landis, Geoffrey A.; Krasowski, Michael; Greer, Lawrence; Wilt, David; Baraona, Cosmo; Scheiman, David; Lekki, John
Abstract: During the Viking and Pathfinder missions to Mars, significant amounts of dust accumulated on the hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 29, 2002
Access to Space: Beyond the Next Generation
Document ID: 20020027085
NTRS Full-Text: Click to View  [PDF Size: 554 KB]
Author: Landis, Geoffrey A.
Abstract: This viewgraph presentation provides information on the many considerations involved in the hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 15, 2002
Searching for Life: The Case for Halobacteria on Mars
Document ID: 20020024800
NTRS Full-Text: Click to View  [PDF Size: 254 KB]
Author: Landis, Geoffrey A.
Abstract: A major objective for NASA exploration of Mars is to determine whether life has existed on Mars in hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 15, 2002
Interstellar Flight by Particle Beam
Document ID: 20020023956
NTRS Full-Text: Click to View  [PDF Size: 273 KB]
Author: Landis, Geoffrey A.
Abstract: Two difficulties with the use of laser-propelled lightsails for interstellar propulsion are the hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 08, 2002
Exploring Venus by Solar Airplane
Document ID: 20020022923
NTRS Full-Text: Click to View  [PDF Size: 196 KB]
Author: Landis, Geoffrey A.
Abstract: A solar-powered airplane is proposed to explore the atmospheric environment of Venus. Venus has hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 01, 2002
Photovoltaic Engineering Testbed: A Facility for Space Calibration and Measurement of Solar Cells on the International Space Station
Document ID: 20020023133
NTRS Full-Text: Click to View  [PDF Size: 131 KB]
Author: Landis, Geoffrey A.; Bailey, Sheila G.; Jenkins, Phillip; Sexton, J. Andrew; Scheiman, David; Christie, Robert; Charpie, James; Gerber, Scott S.; Johnson, D. Bruce
Abstract: The Photovoltaic Engineering Testbed ("PET") is a facility to be flown on the hide
Publication Year: 2001
Document Type: Preprint
Date Acquired: Mar 01, 2002
Mars Exploration with a Self-Refueling Hopper
Document ID: 20010020462
Availability: Available in document 20010020461 on p. 187-188, or for help Contact the Information Desk
Author: Landis, Geoffrey A.; Linne, Diane
Abstract: A small reusable 'hopper' vehicle, the Mars In-situ Propellants Rocket (MIPR), is proposed to fly hide
Publication Year: 2000
Document Type: Conference Paper
Date Acquired: Mar 16, 2001
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