Extragalactic background light

accumulated radiation in the universe

en-US/ˌɛkstɹəɡəˈlæktɪk ˈbækˌɡɹaʊnd ˈlaɪt/
en-GB/ɛkstɹəɡəlæktɪk ˈbækɡɹaʊnd ˈlaɪt/

カテゴリ：

luminous intensity