NY Post 
February 6, 2020
Burn bright; die young.
Scientists are left scratching their heads after a hugely productive galaxy went dark without warning, according to a new study.
The monstrous star system, known as XMM-2599, reportedly existed 12 billion years ago when the universe was a ripe young 1.8 billion years old, reports SciTech Daily.  But researchers at the University Of California in Riverside are bewildered over how the “ultramassive galaxy” could suddenly die.
The study was published in the Astrophysical Journal Letters. 
Despite its comparatively short life span, the star system was immensely productive and churned out “a mass of more than 300 billion suns” before it was 2 billion years old, according to the study’s lead author, Ben Forrest. To put it in perspective, our own Milky Way produces about one star a year.
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