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宇航员“出差”意外变长驻太空,8天加班成9个月,宇宙射线隐患曝光!
太阳宇宙射线由太阳耀斑及日冕物质抛射等活动所产生。尽管这些粒子的能量较低,但在太阳活动期间,它们的强度会急剧增加,短时间内对宇航员造成较大辐射风险。 地球的磁场会捕获某些高能粒子,形成所谓的范艾伦辐射带,主要集中在低地球轨道(LEO)区域,国际空间站正好位处此区域。
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今日热点
Fed holds rates steady
Resumes ground operations
Sentenced for fraud
Lifts segregation ban
Hollywood director charged
US visa records unsealed
To serve as finance chair
Retires after 29 years
Ex-studio engineer charged
Propose banning 'tush push'
MetroCard sales to end
ICE detains activist
Lead investigator fired
Exits Vancouver Auto Show
Sues Trump administration
Files new bankruptcy plan
Abduction tracking ends
In-person identity checks
Louisiana executes inmate
Mexico City bullfighting ban
Case transferred to NJ
Florida Keys brush fire
Zoox recall
Jury finds Greenpeace liable
Teachers union sues
Winter weather warnings
Suit over firings, takeover
Issues dengue fever warning
UN climate report
WV couple sentenced
Hit with EU antitrust actions
$175M in funding paused
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