galactic cosmic ray

例句：

1. 1. The discovery ofthese rays has revolutionized our understanding of the universe.
   这些射线的发现已经彻底改变了我们对宇宙的理解。
2. 2. Galactic cosmic rays are a fascinating source of information about the origins of the universe.
   银河宇宙射线是关于宇宙起源的一个令人着迷的信息来源。
3. 3. Scientists have been studying these rays for decades, hoping to uncover new insights into the mysteries of the cosmos.
   科学家们已经研究了这些射线几十年，希望揭示出宇宙奥秘的新见解。