NASA finds evidence of particle emission from a black hole in the early universe

NASA finds evidence of particle emission from a black hole in the early universe

Astronomy scientists at NASA agency The Chandra X-ray Observatory found evidence of a particle jet coming from A. A supermassive black hole In the beginnings of the universe.

Source X ray The jet is a quasar, or fast-growing supermassive black hole, called PSO J352.4034-15.3373 or PJ352-15.

The quasar is located at the center of a young galaxy and is one of the two most powerful quasars detected in radio waves in the first billion years after the Big Bang, according to Released on Tuesday.

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On the scale, the PJ352-15 is a billion times larger than the Sun.

If this jet particle were confirmed, it would be the farthest supermassive black hole – in a galaxy about 12.7 billion light-years away. Land With a jet plane that was detected on x-rays.

For scientists, this plane may help understand how the largest black holes formed and grew early in the universe’s history.

Scientists took a close look at PJ352-15 over a three-day period using the Massachusetts based The Chandra Telescope to discover evidence of the emission of X-rays and X-rays is located about 160,000 light-years from the quasar.

PJ352-15 is a record number, as it is about 300 million light-years away from the most distant X-ray jet ever recorded.

In addition, the longest jet particles previously observed from the first billions of years after the big bang were only about 5,000 light-years long, compared to PJ352-15.

Chandra observed the emitted light when the universe was only 0.98 billion years old and the intensity of the background radiation was much greater than it is now.

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The electrons of the plane moving away from the black hole collide with the photons that make up the radiation and energize the photons in the X-ray range – which increases the brightness of the X-ray jet and allows Chandra to capture it.

Thomas Connor of NASA’s Jet Propulsion Laboratory (JPL) at Pasadena, California.He led the study.

In a series of TweetsOn Tuesday, Connor said he and his team stared at the quasar for three full days, and at A. Another blog MondayIn this article, he highlighted a number of fundamental questions of astronomy related to how the universe is assembled as we observe it.

“The past decade has been an absolute rush of gold to discover the black holes that were seen in the first billion years of the universe, with each new discovery pushing the boundaries of what we thought was possible,” he told Fox News on Wednesday. “In particular, we are discovering massive black holes earlier in the universe than ever before, and this presents kind of a challenge – how can you grow to such sizes in a very short time?”

Although airplanes have been proposed as a way to accelerate black hole growth, the only jets seen previously were relatively small, indicating that they are cosmically small.

“Our results show that these jets can last for millions of years, and during this period they could accelerate the growth of the black hole. And the detection of these jets in X-rays – unlike radio frequencies – means that there may be more of these jets extended out there, but we haven’t We are looking for after. ” “In short, our new results show that X-ray observations may be the key to solving the challenge of early black hole growth.”

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He said the process to reach that conclusion was arduous.

“A black hole was first marked for observation in nearly 10 years, before we even knew what it was. In September 2017, we finally measured its redshift, and discovered it was in the first billion years of the universe. So we are proposing to conduct observations with Chandra in March 2018; the community has taken a great interest in our science, and the observations were made in August and September of 2019, ”Connor recalls.

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Working on these results was particularly difficult during pandemic, With team members in six separate countries. But this collaboration was crucial, as we discussed how to ensure that our results are robust and the overall implications of our results. ”

a sheet A description of Connor’s findings has been accepted for publication in the Astrophysical Journal.

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