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• [천문학소식] '신성(Nova)' 관측? / 북쪽왕관자리 T CrB View Nova Explosion, ‘New’ Star in Northern Crown A star system, located 3,000 light-years away from This could be a once-in-a-lifetime viewing opportunity as the nova ouburst only occurs about every 80 blog.naver.com · 2024.05.28