Astronomers call them LFBOTs—rare and powerful bursts of blue light that shine across billions of light-years and then vanish in just a few days.
The gargantuan object is driving a "cosmic two-for-one" that could shed light on the source of a weird kind of X-ray.
A recurring tidal disruption event was predicted and then came to pass, giving the researchers a chance to predict the black hole's next meal.