The time variation of the cosmic ray flux is one of crucial problems in the field of cosmic ray physics, solar geophysics and astrophysics, etc.

宇宙线强度随时间的变化，是宇宙线物理、太阳地球物理和天体物理等交叉学科中的重要问题之一。

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The announcement was made at the second annual Summit of Information Specialists in Particle physics and Astrophysics held at DESY on May 20th and 21st.

这一宣言是在第二届粒子物理和天体物理信息专家峰会——五月二十、二十一日于德国电子加速器中心召开——上作出的。

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The theory that he's working on involves several of the toughest problems in astrophysics and theoretical physics.

他所从事的理论涉及到几个天体物理学和理论物理中很难的问题。

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The results "could help foster a new understanding of the fields of fundamental physics and astrophysics, " NASA administrator Charles Bolden said in a statement Wednesday.

CNN: Space station detector gives first clues to 'dark matter'

Physicist Sergio Bertolucci, research director at Switzerland's CERN physics lab, presented the results Friday at the 25th International Conference on Neutrino Physics and Astrophysics in Kyoto, Japan.

MSN: Those faster-than-light neutrinos ... aren't - Technology & science - Science - LiveScience | NBC News

"I already have a masters degree in physics and astrophysics a PhD in astronomy, I'm a scuba diver, I speak basic beginner's to advanced Russian, and I have flying experience, " one hopeful, Tracy Parker, tells CNN.

CNN: Middle aged spacemen needed for moonshot