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it home reported on september 12 that nasa (september 9) released a blog post stating that astronomers observed and discovered two extremely close supermassive black holes in the mcg-03-34-64 galaxy, about 300 light-years apart.

with the help of nasa's hubble space telescope and chandra x-ray observatory, astronomers discovered that the two black holes are swallowing up the surrounding gas and dust and becoming abnormally bright, becoming active galactic nuclei (agn).

it home note: astronomers have previously discovered dozens of pairs of binary black holes, but the distance between them is much larger than the black hole discovered this time. the binary black hole is about 800 million light-years away from the earth.

anna trindade falcão, an astronomer at the harvard-smithsonian center for astrophysics in massachusetts, said:

we didn't expect to see anything like this. it's not common in the nearby universe, and it tells us something else is going on inside galaxies.

when we observed mcg-03-34-64 in x-rays, we found two separate, powerful sources of high-energy radiation that coincided with the bright optical spots observed by hubble. putting these clues together, we concluded that we were likely observing two supermassive black holes in close proximity.