Astronomers discover 83 supermassive black holes 13 billion light-years away

Agencies
March 15, 2019

Washington, Mar 15: Astronomers have discovered 83 quasars powered by supermassive black holes 13 billion light-years away from the Earth, from a time when the universe was less than 10 per cent of its present age.

“It is remarkable that such massive dense objects were able to form so soon after the Big Bang,” said Michael Strauss, a professor at Princeton University in the US.

“Understanding how black holes can form in the early universe, and just how common they are, is a challenge for our cosmological models,” Strauss said in a statement.

This finding, published in The Astrophysical Journal, increases the number of black holes known at that epoch  considerably, and reveals, for the first time, how common they are early in the universe’s history.

In addition, it provides new insight into the effect of black holes on the physical state of gas in the early universe in its first billion years.

Supermassive black holes, found at the centers of galaxies, can be millions or even billions of times more massive than the Sun.

While they are prevalent today, it is unclear when they first formed, and how many existed in the distant early universe.

A supermassive black hole becomes visible when gas accretes onto it, causing it to shine as a “quasar.” Previous studies have been sensitive only to the very rare, most luminous quasars, and thus the most massive black holes.

The new discoveries probe the population of fainter quasars, powered by black holes with masses comparable to most black holes seen in the present-day universe.

The team used data taken with “Hyper Suprime-Cam” (HSC) instrument, mounted on the Subaru Telescope of the National Astronomical Observatory of Japan, which is located on the summit of Maunakea in Hawaii.

The researchers selected distant quasar candidates from the sensitive HSC survey data.

They then carried out an intensive observational campaign to obtain spectra of those candidates, using three telescopes: the Subaru Telescope; the Gran Telescopio Canarias on the island of La Palma in the Canaries, Spain; and the Gemini South Telescope in Chile.

The survey revealed 83 previously unknown very distant quasars.

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ABDUL AZIZ SHE…
 - 
Saturday, 16 Mar 2019

SUBHAANALLAH

 

 
ALLAH ALMIGHTY CREATED EVERTHING  INCLUDING WHOLE UNIVERSE AND WHAT IS IN IT,

HUMAN BEING CANNOT REACH TO UNDERSTAND IT,  HUMAN LIFE NOT SUFFEICENT TO REACH AND KNOW EVERYTHING.

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News Network
November 10,2024

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Mangaluru: A heart-wrenching tragedy unfolded in the quiet Bellayuru village on the outskirts of Mangaluru as a man’s life ended on a railway track following an apparent double murder. Authorities from the Mulki police station identified the man as Karthik Bhat, 32, whose lifeless body was discovered on the tracks with his head positioned on the rail, indicating a tragic suicide.

Nearby, police recovered keys to a scooter and a house, which eventually led them to uncover a series of chilling events. Following the trail, officers located Bhat’s scooter parked near Mahammayi Temple. Inside the vehicle, they found documents confirming his identity, including an RC, insurance papers, and his driving license.

Their search continued to Bhat's home in Pakshikere, Kemral village, where they discovered a locked room. With the keys retrieved from the tracks, police unlocked the door, only to be confronted by a horrifying sight. The bodies of Priyanka (28) and her young son Hriday (4) lay in a pool of blood, pointing to a brutal murder that occurred just hours before Bhat’s suicide.

Initial investigations suggest Bhat, beleaguered by ongoing family disputes, committed the murders of his wife and son on the evening of November 8 before tragically ending his own life. A death note found in his diary hinted at his mental state and tragic intentions.

Priyanka’s family, residing in Shivamogga, was informed of the incident. The couple, married for six years, now leaves behind grieving relatives and unanswered questions. Police have initiated formal proceedings, collecting statements from family members as they continue their investigation into the tragic sequence of events.

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News Network
November 12,2024

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The UN humanitarian coordinator for Lebanon has warned that the “picture of life in Lebanon remains grim,” highlighting an "alarming" level of human suffering and significant humanitarian consequences due to the ongoing Israeli carnage.

Imran Riza, the UN Deputy Special Coordinator and Resident and Humanitarian Coordinator for Lebanon (UNSCOL), provided a stark overview of the Arab country's dire circumstances in a statement released on Monday.

“The current picture of life in Lebanon remains grim. Yesterday, airstrikes reportedly killed 23 people, including seven children, in the village of Aalmat in Mount Lebanon,” Riza said on X.

An airstrike in the city of Tyre on the same day resulted in the tragic deaths of five siblings from a single family, all of whom had special needs, according to his statement.

He added that in the last week, Israeli airstrikes have killed at least 241 individuals and left 642 others injured in Lebanon, as reported by the Ministry of Health.

“In the past month, more than 185,000 people have fled their homes in their search for safety within the country, bringing the total to over 870,000 people internally displaced,” Riza said

The UN official highlighted that numerous individuals, including the elderly and those with health issues, are staying behind while witnessing the ruins of their ancestral homes.

He urged for the swift safeguarding of civilian people and infrastructure, emphasizing the necessity to uphold international humanitarian law and end the ongoing violence.

Lebanon’s National News Agency reported that Israeli forces bombed a house in the town of Maydoun in Bekaa on Monday night, killing three people and destroying the house.

Earlier, Israel bombed the northern town of Ain Yaaqoub, killing at least 14 people.

The killings came as Israeli military continued to pound Lebanon, bombing shops selling electrical appliances in the southern city of Tyre and carrying out air raids on the towns of Shamshtar in eastern Baalbek and Roumine in southern Nabatieh.

Lebanon’s Ministry of Health said Israeli attacks killed at least 54 people across the country on Monday.

Israel’s merciless attacks continue despite calls from the UN Security Council for an immediate ceasefire and directives from the International Court of Justice urging measures to prevent genocide and alleviate the dire humanitarian situation in Gaza and Lebanon.

In Lebanon, at least 3,243 people have been killed and 14,134 others wounded in Israeli attacks since the war on Gaza began on October 7, 2023.

The Lebanese resistance movement Hezbollah opened a support front for Palestinians in Gaza only a day after the Israeli regime unleashed its genocidal war on the besieged territory.

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News Network
November 15,2024

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Iran’s Islamic Revolution Guards Corps (IRGC) has killed or captured 69 terrorists linked to the Israeli spy agency Mossad during a major counterterrorism drill in the country's southeast, its spokesman says.  

General Ahmad Shafaei, the spokesman for the “Martyrs of Security” drill, said Friday that a total of 23 terrorists have been killed and another 46 arrested in various clean-up operations ever since the IRGC Ground Force launched it in the Sistan and Baluchestan province on November 1.

Seven terrorists have also turned themselves in during the period.

“The undeniable fact about terrorists is that they rely on arrogant powers, particularly the intelligence service of the wicked and vicious Zionist regime," Shafaei said.

“Unfortunately, weapons and munitions at terrorists’ disposal are among the most sophisticated ones in the world. This accounts for their heavy dependence.” 

The official stated that several members of the disbanded terror teams were non-Iranian nationals, who had been hired by foreign intelligence agencies to carry out acts of sabotage and terror inside Iran.

In a most recent operation, six terrorists were arrested and four others were eliminated, three of whom were non-Iranians, he added. 

On October 26, ten members of Iran's law enforcement forces were killed in a terrorist attack in the Gohar Kuh district of Taftan in the Sistan and Baluchestan province.

The so-called Jaish al-Adl terrorist group claimed responsibility for the assault, which was one of the deadliest in the province in recent months.

The group has carried out numerous terrorist attacks in Iran, primarily in Sistan and Baluchestan.

Its tactics include the abduction of border guards as well as targeting civilians and police stations within the province to incite chaos and disorder.

In January, Iran launched a military operation during which the headquarters of the Pakistan-based terrorist group was targeted in missile strikes, destroying its infrastructure.

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