The black hole at the heart of our own galaxy, called Sagittarius A* (pronounced ay-star), boasts the weight of 4.3 million suns based on long-term tracking of stars in orbit around it
BROADCASTING FOR INDEPENDENCE
BROADCASTING FOR INDEPENDENCE
The black hole at the heart of our own galaxy, called Sagittarius A* (pronounced ay-star), boasts the weight of 4.3 million suns based on long-term tracking of stars in orbit around it
