Monster black hole lurks in the early universe
Behemoth grew to mass of 12 billion suns in less than 900 million years
![black hole](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/02/cc_blackhole_est.jpg?fit=860%2C460&ssl=1)
LARGER THAN IT LOOKS Gas swirls around a 12-billion-solar-mass black hole (illustrated), the most massive one known in the early universe.
Zhaoyu Li/Shanghai Astronomical Observatory