搜索结果: 1-9 共查到“天文学 missions”相关记录9条 . 查询时间(0.14 秒)
Method for decoding asteroid interiors could help aim asteroid-deflecting missions（图）
小行星内部 小行星偏转 自旋变化
2023/6/9
NASA hit a bullseye in late September with DART, the Double Asteroid Redirection Test, which flew a spacecraft straight at the heart of a nearby asteroid. The one-way kamikaze mission smashed into the...
Over the next 10 years, a collection of the nation’s top planetary scientists and astrobiologists – using suggestions from panels chaired by two Cornell professors – are advocating for exploratory voy...
UNH scientist: Cosmic rays threaten future deep-space astronaut missions（图）
Cosmic rays astronauts
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...
Project Icarus: A Review of Local Interstellar Medium Properties of Relevance for Space Missions to the Nearest Stars
Project Icarus Local Interstellar Medium Properties
2011/1/10
I review those properties of the interstellar medium within 15 light-years of the Sun which will be relevant for the planning of future rapid ($v /ge 0.1c$) interstellar space missions to the nearest ...
Is there water on the Moon — and where is the best place to build a lunar base? These and other questions about our nearest neighbour could soon be answered by two unmanned missions that blasted off y...
Radiation effects and shielding requirements in human missions to the moon and Mars
radiation remains Mars human missions moon
2009/6/1
Protection from radiation remains a concern for lunar human missions and a major hurdle for Mars human missions. Quantitative estimates are provided.
Mission design options for human Mars missions
Trajectory options human Mars missions Mars entry velocities
2009/6/1
Trajectory options for conjunction-class human Mars missions are examined, including crewed Earth-Mars trajectories with the option for abort to Earth, with the intent of serving as a resource for mis...
NASA Details Plans for Lunar Exploration Robotic Missions
NASA Lunar Robotic Missions LCROSS LRO
2009/5/22
NASA's return to the moon will get a boost in June with the launch of two satellites that will return a wealth of data about Earth's nearest neighbor. On Thursday, the agency outlined the upcoming mis...
Herschel and Planck Missions to Study Cosmos Share Ride to Space
Herschel and Planck Cosmos Space
2009/5/7
Herschel and Planck are both ESA missions with important participation from NASA. NASA's Herschel Project Office and Planck Project Office are both based at JPL. A consortium of European-led institute...