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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Agencies
January 14,2020

Farukkhabad, Jan 14: In a shocking incident, a new-born baby was mauled to death by a dog inside the operation theatre (OT) of a private hospital in Farukkhabad on Monday.

Family members of the baby boy said that they noticed the hospital staff shooing a dog away from inside the operation theatre and soon after, they were told the baby boy, born just two hours ago, was dead.

The family members said that they found the baby's body on the floor and it had deep gashes around the neck and other parts of the body.

District magistrate Manvendra Singh has ordered an FIR and the Chief Medical Officer (CMO) Chandra Shekhar said the hospital has been sealed and an inquiry ordered into the incident.

Sources said that the hospital where the incident took place was unregistered and was being run adjacent to a government hospital.

According to the FIR lodged with Sadar Kotwali police, the infant's father Ravi Kumar said he had admitted his wife Kanchan in the hospital on Monday and she was taken for a C-section to the operation theatre.

After the delivery, Kanchan was shifted to the ward but the family was told that the baby would be shifted later.

An hour later, the family was informed that the baby had died.

The family members then saw the hospital staff trying to chase a dog out of the operation theatre.

The family members forced their way into the operation theatre and found the infant lying on the floor with several injuries on the neck.

The police said that the baby's body has been preserved for examination and post mortem.

The FIR has been registered against Dr Mohit Gupta, and some of the staff members who were present during the delivery.

The hospital owner, Vijay Patel, however, feigned complete ignorance about the incident and said that he had been told that the baby was born dead.

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News Network
January 11,2020

New Delhi, Jan 11: Islamic preacher Zakir Naik has revealed that the Bharatiya Janata Party-led government offered to drop false money-laundering charges against him and provide with a "safe passage to India" in return for his support to the government's move to revoke Article 370 of the Constitution.

In a statement issued by Naik's PR team on Saturday, the Islamic preacher said that he was approached by a representative of the Indian government in September, who offered him the said deal on Kashmir, which he refused.

"Three and a half months before, the Indian officials approached me for a private meeting with a representative of the Indian government. When he came to Putrajaya (a Malaysian city), in the fourth week of September 2019, to meet me, he said that he is coming after personally meeting and under the direct instructions of the Prime Minister of India Narendra Modi and the Home Minister of India Amit Shah," Naik said in a video statement released by his Mumbai-based PR team.

Naik, who has been living in Malaysia for the last three years, is facing charges of inciting communal disharmony and committing unlawful activities in India.

"(The representative) said that he wanted to remove the misconceptions and miscommunications between myself (Naik) and the Indian government, and wants to provide me a safe passage to India," he added. "He (the representative) said that he would like to use my connections to better the relationship between India and the other Muslim countries."

"The meeting lasted for several hours. He told me that he wanted me to support the BJP government when they revoked Article 370 in Kashmir. And I flatly refused," he added.

Naik said that after he refused the offer, he was further asked to not make public statements against the BJP or Prime Minister Narendra Modi.

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Agencies
June 18,2020

New Delhi, Jun 18: Vodafone Idea on Thursday told the Supreme Court that it has incurred Rs 1 lakh crore losses as it insisted it is not in a position to furnish bank guarantees.

A bench comprising Justices Arun Mishra, S. Abdul Nazeer, and M.R. Shah, taking up the adjusted gross revenue (AGR) matter through video conferencing, directed the telecom companies to submit their financial documents and books for the last 10 years.

Asking Vodafone if it was a foreign company, the bench said that how can the company say it would not furnish any bank guarantee.

"What if you fly away overnight in future without paying anything?" it asked.

Senior advocate Mukul Rohatgi, representing Vodafone Idea, denied his client is a completely foreign firm and cited before the bench its tie-ups and investments.

Vodafone owes over Rs 58,000 crore as AGR dues and so far, has paid close to Rs 7,000 crore.

Rohatgi contended before the court that the telecom company is in a tough situation, and cannot furnish any fresh bank guarantee, as profits have eluded the company in past many quarters. He submitted before the bench that Rs 15,000 crore bank guarantees are lying with the government, and his client's losses are over Rs 1 lakh crore.

"I cannot offer any more surety," he informed the bench.

Justice Mishra noted that this is public money and these dues should be recovered. "Do not tell us that you will pay if you were to make profits... the money must come," he noted.

Justice Shah observed that the telecom industry is the only industry which earned during the Covid-19 pandemic. "After all, this money will be used for public welfare", he said.

Rohatgi argued that his client would have to fold up if orders were issued to clear dues tomorrow. "11,000 employees will have to go without notice, as we cannot pay them," he added.

Senior advocate Abhishek Manu Singhvi, appearing for Bharti Airtel, contended before the court that out of Rs 21,000 crore AGR dues, the company has already deposited a sum of Rs 18,000 crore.

He argued that his client has given a bank guarantee, in excess of demand, to DoT, and supported the proposal for phased repayment of remaining AGR dues. He insisted that the company needs to sit down with the government and calculate the dues. Airtel owes Rs 25,976 crore after paying Rs 18,000 crore, as per the government.

Senior advocate Arvind Datar, representing Tata Telecom, informed the bench that his client has paid Rs 6,504 crore in AGR dues so far, and furnishing a bank guarantee may adversely impact investments in the sector.

The total AGR dues are close to Rs 1.5 lakh crore.

The top court will now take up the matter in the third week of July.

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