Hellow guys, Welcome to my website, and you are watching 빛은 어떻게 탄생했을까? 우주의 탄생과 광자의 출현ㅣ이광진(분광학자). and this vIdeo is uploaded by 과장창 at 2023-11-29T00:45:01-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.