搜索结果: 1-8 共查到“astronaut”相关记录8条 . 查询时间(0.22 秒)
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UNH scientist: Cosmic rays threaten future deep-space astronaut missions(图)
Cosmic rays astronauts
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2014/12/1
DURHAM, N.H. –- Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risk...
A Zupt-Based Method for Astronaut Navigation on Planetary Surface and Performance Evaluation under Different Locomotion Patterns
Planetary Navigation IMU Correction Performance
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2014/7/23
In this research, we develop a Zero Velocity Update (ZUPT) based method for astronaut navigation and evaluate its performance under different locomotion patterns. In this ZUPT based dead-reckoning, th...
Modeling and Verification of an Astronaut Handling Large-mass Payload
extravehicular activity inverse kinematics inverse recursive dynamics ADAMSTM
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2011/8/3
The experiments on astronaut motions are difficult to conduct due to the limitation and high cost of constructing or simulating the microgravity environment of space. Therefore, the method of computer...
NASA Astronaut John Grunsfeld, Instrumental to Hubble Telescope Repair, Will Help Oversee its Science Operations
NASA Astronaut Instrumental Science Operations
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2010/1/11
NASA astronaut John Grunsfeld, who participated in three spaceflights to service the Hubble Space Telescope, is leaving the agency to become the deputy director of the Space Telescope Science Institut...
Virginia Astronaut to Fly on Next Space Shuttle Mission
Virginia Astronaut Space Shuttle Mission
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2009/8/20
NASA astronaut Patrick Forrester, whose hometown is Springfield, Va., will make his third journey into orbit on space shuttle Discovery's next mission to the International Space Station.
NASA Honors Apollo Astronaut Al Worden with Moon Rock
NASA Apollo Astronaut Al Worden Moon Rock
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2009/8/3
NASA will honor Apollo astronaut Al Worden with the presentation of an Ambassador of Exploration Award for his contributions to the U.S. space program. Worden will receive the award during a ceremony ...
NASA Honors Apollo Astronaut Al Worden with Moon Rock
NASA Apollo Astronaut Al Worden Moon Rock
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2009/8/3
NASA will honor Apollo astronaut Al Worden with the presentation of an Ambassador of Exploration Award for his contributions to the U.S. space program. Worden will receive the award during a ceremony ...
NASA Launch Tests Alternate Concept for Astronaut Escape System
NASA Alternate Concept Astronaut Escape System
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2009/6/5
NASA's Max Launch Abort System, or MLAS, is scheduled to be tested June 15 at the agency's Wallops Flight Facility on Wallops Island, Va. The launch window extends from approximately 5:45 a.m. to 8:15...