M77

spiral galaxy with an active centre · in Cetus

35 million light-years from Earth

One of the best-known Seyfert galaxies, whose centres blaze with gas falling into a black hole: here one of about 10 million Suns, hidden behind a ring of dust. In 2022 the IceCube detector at the South Pole found evidence of neutrinos coming from it.

• 35 million light-years (Cepheids; older estimates go up to 47)
• about 60,000 light-years across · a black hole of about 10 million Suns

kind

galaxy

catalogue

M77 · NGC 1068

size

62,000 light-years across