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
January 31,2020

Jan 31: Twenty-three children aged between six months and 15 years, who had been taken hostage by a murder accused after inviting them to his daughter's birthday party, were rescued late on Thursday night after police killed their captor in a village here.

The hostage drama began at Kasaria village in the afternoon and continued for about eight hours.

"The accused was killed and there were about 23 children who were rescued safely," Additional Chief Secretary (Home) Awanish Awasthi told reporters at a hurriedly called press conference at 1.20 am.

"The accused had invited the children for the birthday party of his daughter and held them hostage. It started about 5.45 pm on January 30 and continued for about eight hours," Director General of Police (DGP) O P Singh said, adding that in the entire operation they had tried to "engage" the accused and were successful.

He said the accused, identified as Subhash Batham, had initially released a six-month-old girl by handing her over to his neighbour from a balcony.

Eyewitnesses said a restive crowd gathered outside the house where the children were kept with some women wailing and praying for their safe release.

The crowd broke open the door of the house to rescue the children, they said.

As the accused opened fire, the police retaliated killing him on the spot.

In the exchange of fire, the captor's wife was injured, but none of the children suffered any injury.

A man and two policemen also suffered bullet injuries.

The motive of the accused was not known immediately.

Chief Minister Yogi Adityanath monitored the situation in Farrukhabad, which is nearly 200 km from state capital Lucknow.

"The CM as soon as he got to know about the incident called a meeting of the crisis management group and personally monitored the situation and ensured children are rescued safely," Awasthi said.

Earlier, a team of NSG (National Security Guard) commandos had taken a special aircraft to reach Farukhabad, a senior security official in Delhi said.

Police said Batham, a murder accused, seemed to be mentally unstable.

Inspector-General of Police, Kanpur Range, Mohit Agarwal, said, "The man called the children for a birthday party and held them hostage in the basement of the house. He fired six shots from inside the building."

Batham initially wanted to talk to the local MLA, but refused to speak to the leader when he arrived, Agarwal said.

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Agencies
July 12,2020

Jaipur/New Delhi, Jul 12: The crisis in Rajasthan Congress has deepened with state Chief Minister Ashok Gehlot and his deputy Sachin Pilot at loggerheads.

While Gehlot is blaming BJP for trying to destabilise the state government by poaching MLAs, Pilot is camping in Delhi to speak to the party leadership regarding the political turmoil in the state.

According to sources, Pilot has sought an appointment with party's interim president Sonia Gandhi but time for the meeting has not yet been given by her. Although Pilot met another party leader to apprise him about the situation in the state and spelled out his grievance.

As of now, many MLAs, who are believed to be in the Pilot camp, are also in Delhi to meet the party leadership. According to sources, the deputy chief minister has the support of nearly 30 Congress MLAs along with many independent legislators.

It is important to note that the controversy broke out in Rajasthan after Special Operation Group (SOG) sent a notice to Sachin Pilot to record his statement in the case registered by SOG in the alleged poaching of Congress MLAs in the state. The clash between Gehlot and Pilot is also over the post of PCC Chief as Gehlot Camp wants that 'One Leader One Post' formula to be implemented in Rajasthan. Currently, Sachin Pilot is heading the PCC besides holding the Deputy CM post.

Sources close to Sachin Pilot have informed that the young leader is upset with the notice issued to him. He believes it is aimed to record his phone calls and keep him under surveillance. Many of Pilot's supporters feel indignation and told Pilot that they cannot work with Ashok Gehlot. Also, Pilot is unlikely to attend the meeting called by Gehlot today, according to sources.

While the top leadership of the party is keeping mum, sources say it is keeping a watch on the development. General Secretary KC Venugopal has taken up the matter of the rift with the party's top brass with them not happy about it.

Rajasthan AICC Incharge Avinash Pandey told media persons: "Everything is under control. Few MLAs had issues and after discussion, they have returned back to Jaipur and others are also in touch. BJP's attempt of destabilising the government will not be successful in Rajasthan and government is stable."

Gehlot also held a meeting with ministers last night in Jaipur.  According to Gehlot camp, the top leadership is apprised of the development of the poaching attempt in the state. Amid Political Crisis Rajasthan CM Ashok Gehlot called a meeting of Ministers and all Cong MLAs tonight at his residence.

The Rajasthan crisis has alerted the other senior leaders of the party who have opined that the Madhya Pradesh incident should not get repeated in Rajasthan.

Former Union Minister and Rajya Sabha MP Kapil Sibbal tweeted, "Worried for our party. Will we wake up only after the horses have bolted from our stables?"

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News Network
June 19,2020

Kolkata, Jun 19: The nationwide clamour for boycott of Chinese goods is getting louder amid the Ladakh face-off, with traders urging the Centre to direct e-commerce firms to restrict the sale of items from the Dragonland, which imports products worth USD 74 billion to India annually.

Of the total import from China, retail traders sell goods worth around USD 17 billion, mostly comprising toys, household items, mobiles, electric and electronic goods and cosmetics among other things, which could possibly be replaced by Indian products, a national trading body said.

"We, at 'Federation of All India Vyapar Mandal', are advising our members to clear their stocks of Chinese products and refrain from placing fresh orders. We are also requesting the government to restrict e-commerce companies from selling Chinese products," V K Bansal, the association's general secretary, told PTI.

Sushil Poddar, the president of the Confederation of West Bengal Traders Association, said its members have been told to shun trading in Chinese goods as much as possible.

Another national traders' body, The Confederation of All India Traders (CAIT), has decided to step up its movement against the boycott of Chinese goods, under its campaign 'Bhartiya Samaan-Hamara Abhimaan'.

It released a list of over 450 broad categories of commodities, comprising 3,000 Chinese products.

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