Last gorge for galaxy’s central black hole gauged
Milky Way monster was 100 million times more active 2 million years ago
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/09/bh860x460_test.jpg?fit=1030%2C551&ssl=1)
BIG JET The galaxy's central supermassive black hole (illustrated here with a polar jet) was once millions of times more powerful than it is today.
NASA/Dana Berry/SkyWorks Digital