M87*

supermassive black hole · 6.5 billion Suns · first ever imaged (2019)

53.5 million light-years from Earth

Its event horizon is wider than our entire Solar System: Neptune's orbit would fit inside it 60 times over. The Event Horizon Telescope photographed its glowing ring in 2019.

• event horizon 38 billion km across (256 AU)
• light takes a day and a half to cross it

kind

black hole

size

257 AU across (event horizon)

with

M87