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Runaway black hole tears through space, creating trail of new stars

اكتشاف ثقب أسود ضخم يتسبب تدفقه في الفضاء في تكوين مسارات من النجوم


Capitals: The supermassive monster — likely born of a bizarre game of intergalactic billiards — is rampaging through the blackness and plowing into gas clouds in its path.

The incredible forces at play mean this gas is being forged into a contrail of new stars, which have been captured on camera by NASA’s powerful Hubble Space Telescope.

“We think we’re seeing a wake behind the black hole where the gas cools and is able to form stars,” said Pieter van Dokkum of Yale University.

“What we’re seeing is the aftermath. Like the wake behind a ship, we’re seeing the wake behind the black hole.”

Researchers believe gas is probably being blasted and warmed by the motion of the black hole.

“Gas in front of it gets shocked because of this supersonic, very high-velocity impact of the black hole moving through the gas,” said van Dokkum.

The black hole weighs about the same as 20 million of our Suns.

Scientists believe it began its rampage after being ejected from a celestial menage-a-trois.

The working theory is that two galaxies probably merged about 50 million years earlier, bringing together two supermassive black holes, which whirled around each other harmoniously.

But a third galaxy butted in with its own black hole, creating an unstable and chaotic scene that eventually saw one of them ejected at high speed — fast enough to travel between the Earth and the Moon in just 14 minutes.

Stargazers say there is no cause for earthly concern because this is all very far away.

It’s also a long time ago — back when the universe was half of its current age. We are seeing it now because of the time it has taken for light to arrive here.

The runaway black hole, which has never been seen before, was discovered by accident, says van Dokkum.

“I was just scanning through the Hubble image and then I noticed that we have a little streak.

“It didn’t look like anything we’ve seen before,” he said, adding the star trail is “quite astonishing, very, very bright and very unusual.”

While this is the first tearaway black hole ever spotted, it might not be the only one, says NASA.

Their Nancy Grace Roman Space Telescope, which is expected to launch some time this decade, should give astronomers a much wider view of the universe — and could lead to the discovery of more of these star-forming runaways.


واشنطن: رصدت وكالة الفضاء الأمريكية /ناسا/، ثقبا أسودا ضخما عبر الفضاء بسرعة قصوى مخلفا وراءه سلسلة من النجوم تبعد 200 ألف سنة ضوئية ، فيما اعتبرت أنه اكتشاف غير مسبوق.

ويتدفق هذا الثقب الأسود، الذي تتخطى كتلته حجم الشمس بعشرين مليون مرة، في الفضاء ويصطدم بسحب الغاز التي يصادفها أمامه، وبفعل قوة تحرك الثقب، يتحول الغاز لاحقا إلى سلسلة من النجوم، تمكن تلسكوب /هابل/ الفضائي التابع لناسا من رصدها.

وقال العالم في جامعة /ييل/ بيتر فان دوكوم في بيان “نعتقد أننا نرى نهوضا خلف الثقب الأسود حيث يبرد الغاز ويمكن أن يشكل نجوما”، مضيفا “ما نراه هو مخلفات، وعلى غرار الأثر الذي تتركه السفينة عندما تتحرك، نرى هنا أثرا يخلفه الثقب الأسود”.

ويرى العلماء بأن هذا الثقب، ربما تشكل من مجموعة ضخمة تضم 3 مجرات، اندمجت مجرتين منهما قبل نحو 50 مليون سنة، مما تسبب في دوران ثقبين أسودين هائلين حول بعضهما.

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