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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...
Needs and requirements for future x-ray observations of hot galactic halos
HALOS X-RAYS JETS AND OUTFLOWS
2009/6/4
Galaxies are key objects for the study of cosmology, the life cycle of matter,and stellar evolution. X-ray observations have given us a new key window intothese building blocks of the Universe, that a...
High Resolution Observations using Adaptive Optics:Achievements and Future Needs
Small-scale structures Adaptive Optics Multi-conjugate Adaptive Optics high spatial resolution
2009/5/6
Over the last few years, several interesting observations were
obtained with the help of solar Adaptive Optics (AO). In this paper, few
observations made using the solarAOare enlightened and briefly...