Extreme object
TON 618
TON 618 is a black hole 18 300 000 000 light-years away, weighing 40.7 billion Suns.
One of the heaviest black holes known, forty billion Suns, so far away that its light left before the Earth existed.
See it live
It is on the live 3D map, where it really is.
Key facts
- Kind
- Black hole
- Distance
- 18 300 000 000 light-years
- Mass
- 40 700 million Suns
See it from here
Too faint for the eye; a telescope, or a long photograph, shows it.
How the map draws it
Drawn as a ring at its measured distance; a black hole has no shape to draw and a pulsar is far too small — the kind of thing, not this exact one.