The discovery of the second largest black hole in the Milky Way

Astronomers have been observing a gas cloud 200 light years from the centre of the galaxy. The movement of its gases indicates that it hides a black hole 100,000 times more massive than the sun

At the heart of the Milky Way is a supermassive black hole called Sagittarius A*. It has the mass of 4 million suns

The centre of

the Milky Way

The Milky Way is home to more than 100 million black holes

The Orion Spur

Our Sun

Not to scale

5,000 light years

At the heart of the Milky Way is a supermassive black hole called Sagittarius A*. It has the mass of 4 million suns

Astronomers have been observing a gas cloud 200 light years from the centre of the galaxy. The movement of its gases indicates that it hides a black hole 100,000 times more massive than the sun

The centre of

the Milky Way

The Orion Spur

Our sun

Not to scale

The Milky Way is home to more than 100 million black holes

5,000 light years