Astronomers Find Obscuring Dust Ring around Supermassive Black Hole in Messier 77www.sci-news
Astronomers Find Obscuring Dust Ring around Supermassive Black Hole in Messier 77http://www.sci-news.com/astronomy/obscuring-dust-supermassive-black-hole-messier-77-10561.html -- source link
#astronomy#science