These «ultra-compact dwarf galaxies» are now the second and third ones known to house
such gargantuan black holes, confirming that the first one — discovered by the same group in 2014 — was not an anomaly.
Such a gargantuan black hole may emerge when our galaxy merges with the neighbouring Andromeda galaxy, an event scientists predict will occur 5 billion years from now.
Not exact matches
The discovery of the second and third known ultra-compact dwarf galaxies with
gargantuan black holes at their cores suggests
such a mass mismatch may be common