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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...
A Hotspot for Powerful Cosmic Rays PHYSICISTS A STEP CLOSER TO FINDING MYSTERIOUS SOURCES
The universe Ray Hot spots. Mysterious The big dipper. High-energy cosmic rays The sun
2014/7/18
July 8, 2014 – An observatory run by the University of Utah found a “hotspot” beneath the Big Dipper emitting a disproportionate number of the highest-energy cosmic rays. The discovery moves physics a...
