e/Galactic cosmic ray

Information
has gloss	eng: Galactic cosmic rays (GCRs) consist of those cosmic rays that enter the solar system from the outside. They are high-energy charged particles composed of protons, electrons, and fully ionized nuclei of light elements and are a strong source for cosmic ray spallation in the atmosphere of the earth.
lexicalization	eng: galactic cosmic ray
instance of	(noun) highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds cosmic ray

Meaning
Japanese
has gloss	jpn: 銀河宇宙線（英語：Galactic cosmic rays; GCR）とは、外部から太陽系へ入り込んだ高エネルギー荷電粒子のことである。この銀河を由来とする宇宙線は、陽子、電子、完全にイオン化した軽元素の核からなり、地球大気中において宇宙線による核破砕の強力な発生源になる。
lexicalization	jpn: 銀河宇宙線