SpazeBlack hole at the centre of the Milky Way
Sagittarius A*
A black hole four million times heavier than the Sun. The Event Horizon Telescope photographed its shadow in 2022.
- Mass
- 4.3 million Suns
- Horizon
- ~25 million km wide
- Photographed
- 2022, EHT
Around it
- Hot ionised gas (accretion flow)
No surface: an event horizon 4 million Suns heavy
Measured by Event Horizon Telescope, Keck