190억 광년 초신성 폭발로 지구 오존층 파괴
An illustration of one of the brightest and most energetic supernova explosions ever recorded. Image credit: NASA/CXC/M.Weiss 지난해 10월9일 우주 ...
An illustration of one of the brightest and most energetic supernova explosions ever recorded. Image credit: NASA/CXC/M.Weiss 지난해 10월9일 우주 ...
