Astronomers discover fastest-growing black hole ever


Astronomers discover fastest-growing black hole ever

The study, titled "Discovery of the most ultra-luminous QSO using Gaia, SkyMapper, and WISE", will be detailed in Publications of the Astronomical Society of Australia and the arXiv preprint is available online.

And according to, this black hole is distant enough that it likely released its light around 12 billion years ago, when the ANU researchers estimate that this black hole was as large as 20 billion suns, and grew 1% every million years. "It would appear as an incredibly bright pin-point star that would nearly wash out all of the stars in the sky", said Dr.

If the sun were to fall into this incredibly dense cosmic object, it would only take two days for the black hole to devour it, the scientists behind the new discovery have said.

At the time, its growth rate was about one percent every one million years.

Wolf's team discovered the black hole while they were searching for it using the SkyMapper telescope at the ANU Siding Spring Observatory in Coonabarabran, New South Wales.

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The black hole is only visible because of its incredible brightness: If it was inside the Milky Way, it would light up more brightly than a full Moon to people on Earth, the astronomers say, making all the other stars in the night sky look dim by comparison. But astronomers have spotted the fastest growing back hole ever seen and its voracious appetite actually makes it shine nearly inconceivably bright.

After traveling for more than 12 billion years, the quasar's light was detected by the SkyMapper in the near-infrared spectrum.

The studied black hole reportedly draws off light of large amounts thereby outshining the entire galaxy.

Their intense gravitational pull is thought to be what stars in galaxies orbit around. Previously, astronomers had already found black holes much heavier than they should be due to their age.

With so much material getting sucked in, the object qualifies as a quasar, one of the rarest and brightest celestial objects, known to sit in the centre of galaxies.

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When these giant stars die, they also go "supernova", a huge explosion that expels the matter from the outer layers of the star into deep space.

With giant new ground-based telescopes now under construction, scientists will also be able to use bright, distant objects like this voracious black hole to measure the universe's expansion, the researchers said.

'The hunt is on to find even faster-growing black holes'.

And that will mean we'll get a better understanding of how elements and galaxies were formed in the very early stages of the Universe.

FOR anyone trying to unlock the mysteries of the universe, there is one thing that is universal, the bigger a black hole is, the better.

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