Sagittarius A*

Black Hole

The supermassive black hole at the center of the Milky Way, about 4 million times the Sun's mass.

Facts

TypeBlack Hole
Black hole typeSupermassive
Distance from Earth26,000 ly
Diameter24,000,000 km
Mass8.20 × 10^36 kg
Redshift0
HemisphereSouthern
Discovered1974

Sagittarius A* in context

Its mass is 4,122,675 times the mass of the Sun.

The light reaching us from Sagittarius A* tonight left it around 26,000 years ago.

It has been on record since 1974.

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