Colossal Black Holes Dance at the Heart of Galaxy

Two supermassive black holes were discovered 9 billion light-years away, at the heart of the galaxy. The objects appear to be orbiting around each other every two years as if caught in a cosmic dance. Their spiral movement disturbs the fabric of space and time, sending out gravitational waves and decreasing the distance between the … Continue reading Colossal Black Holes Dance at the Heart of Galaxy