Blazars are a special kind of black hole - the kind with jets that are pointing right towards us! They're white hot and heading our way, but the only way we can spot them is with cool infrared telescopes. Take a look at the black holes that blaze.
The galaxy 3C 454.3 is located 7.2 billion light years away, but it's suddenly become the brightest source of gamma rays in the sky. Its particle jet has increased 10 times since the summer — and it's aimed at us.