Hubble Catches Possible Runaway Black Hole

There's an invisible monster on the loose! It's
barreling through intergalactic space fast enough
to travel from Earth to the Moon in 14 minutes.
But don't worry, luckily this beast is very, very far
away!
This potential supermassive black hole, weighing
as much as 20 million Suns, has left behind a
never-before-seen 200,000 light-year-long trail of
newborn stars.
The streamer is twice the diameter of our Milky
Way galaxy. It's likely the result of a rare, bizarre
game of galactic billiards among three massive
black holes.