700 million light years away there is a galaxy called Holmberg 15A. It is a supergiant elliptical galaxy with mass 70 trillion times of our sun. At the core of this galaxy NASA has discovered a supermassive black hole.
According to NASA scientists it is one of the biggest black holes with mass 80 duodecillion kilograms. Thats 40 Billion times heavy than the sun and 10,000 times of Sagittarius A*.
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Credits: NASA, ESO
![](https://i.ytimg.com/vi/zne95i63ZOc/maxresdefault.jpg)