Huge and mysterious bubbles in the heart of the Milky Way



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Mysterious structures, which generate intermittent radio waves, would be the remnants of a massive cosmic explosion occurring in our galaxy about 7 million years ago.

The description is contained in the research paper published in the journal "Nature" (Nature) in the September 11 issue, as the two bubbles, which emit Radio wavesTogether, they are approximately 1,200 light-years away and are in an active area near The black hole The giant in the middle of the galaxy of the Milky Way.

The team of scientists at Northwest University in Evanston, Illinois, compared this area to the bustling capital and said our solar system, by comparison, is located in "Rural Area" of lesser activity, at about 25 000 light-years from the center of the galaxy on one of Milky Way.

A member of the team of scientists, Farhad Yusufzadeh, said, "It's good that we do not live in the center of our galaxy, it's an exciting but hostile place to study," according to the website. CNBC "Information Bulletin

It should be noted that in the 1980s, Yusufzadeh participated in the discovery "Biofilaments" Starting from a location adjacent to the massive black hole of "Sagittarius a * "Many of these were observed" Sons "In the following decades, its origin remained a mystery.

But new observations, led by Yusufzadeh and his collaborators, have shown that "Sons" found inside newly discovered bubbles, the result indicates that "The type of activity that causes the emergence of bubbles is the same responsible for the activation of these strands ".

However, researchers still do not know why these strands appear and why bubbles do not form in the first place.

One possibility is that "Arch Tower A *" This was pronounced millions of years ago, and the other possibility is that a group of stars has formed roughly at the same time, generating a huge amount of energy that has been dynamited to create bubbles.

The new discovery suggests that the Milky Way, although relatively quiet compared to other galaxies, has been very agitated in the past, said Dr. Carl Gebhardt, an astrophysicist at the University of Texas, who said: 39; has not been involved in serious research.

The bubbles were detected by the Mercat Radio Observatory in South Africa, a collection of 64 radio receivers located in North Cape, South Africa.

Launched in July 2018, the Astronomical Observatory is the largest scientific project in Africa.

Even if they grow, the bubbles do not continue to grow forever, but in hundreds, even hundreds of thousands of years, when the gas in the area runs out, it will simply dissipate.

The researchers plan to continue to monitor the bubbles and hope to measure the speed of their expansion.

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Mysterious structures, which generate intermittent radio waves, would be the remnants of a massive cosmic explosion occurring in our galaxy about 7 million years ago.

In an article published on September 11 in Nature, it is estimated that the two bubbles, which emit radio waves, cover about 1,200 light-years in an active area near the giant black hole. In the middle of the galaxy of the Milky Way.

The team at Northwestern University in Evanston, Illinois, compared this area to the bustling capital city.

"It's good that we do not live in the center of our galaxy," said Farhad Yusufzadeh, a member of the team of scientists. "It's an interesting place to study, but it's a hostile place," CNBC News reported.

It should be noted that in the 1980s, Yusufzadeh was involved in the discovery of "biofilms" from a location adjacent to the massive black hole of "Sagittarius A *". .

But new observations, led by Yusufzadeh and his associates, showed that there were "strands" in the newly discovered bubbles, and the result suggests that "the kind of activity that caused the" appearance of bubbles is the same responsible for the activation of these strands ".

However, researchers still do not know why these strands appear and why bubbles do not form in the first place.

One possibility is that the "Sagittarius A *" was uttered millions of years ago and the other, that a group of stars formed at about the same time , generating a huge amount of energy that has been dynamited to create bubbles.

The new discovery suggests that the Milky Way, although relatively quiet compared to other galaxies, has been very agitated in the past, said Dr. Carl Gebhardt, an astrophysicist at the University of Texas, who said not been involved in serious research.

The bubbles were detected by the Mercat Radio Observatory in South Africa, a collection of 64 radio receivers located in North Cape, South Africa.

Launched in July 2018, the Astronomical Observatory is the largest scientific project in Africa.

Even if they grow, the bubbles do not continue to grow forever, but eventually, in the hundreds of thousands or millions of years, when the gas in the area is exhausted, it will simply dissipate.

The researchers plan to continue to monitor the bubbles and hope to measure the speed of their expansion.

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