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 1,2020

Pune, Jan 1: Maharashtra Deputy Chief Minister Ajit Pawar and Vanchit Bahujan Aghadi president Prakash Ambedkar paid tributes at the 'Jay Stambh' near here on Wednesday on the 202nd anniversary of Koregaon Bhima battle.

Lakhs of people congregate every year at the 'Jay Stambh' (victory pillar) near Koregaon Bhima village to offer tributes on the anniversary of the battle, which was fought on January 1, 1818 between the British East India Company and the Peshwa faction of the Maratha Confederacy.

Violence broke out during the bicentenary celebrations of the Koregaon Bhima battle on January 1, 2018 in which one person was killed and several others were injured.

Police have made elaborate security arrangements to ensure no untoward incident takes place during the congregation at the victory pillar, an official said.

Talking to reporters after visiting the victory pillar, Pawar said he came to offer tributes on behalf of the people of Maharashtra.

"This pillar has history and every year lakhs of people come here. Some untoward incidents took place two years ago, but the government is taking utmost care and elaborate police bandobast has been made here to ensure that no untoward incident takes place," he said.

Pawar also urged people to visit the war memorial in a peaceful manner.

"I appeal to people to come here and offer their tributes, but maintain peace and do not believe in rumours," the NCP leader said.

Prakash Ambedkar also offered his tributes at the victory pillar.

Pune Police last week issued notices to several people, including right-wing leaders Milind Ekbote and Sambhaji Bhide, and members of Kabir Kala Manch, barring them from entering the district for four days from December 29.

The notices, as part of preventive action, were issued to all those against whom cases were registered in connection with the violence two years ago.

Ekbote was arrested in March 2018 for allegedly instigating and orchestrating the violence around Koregaon Bhima.

Bhide was also booked and named in the FIR, but never arrested.

The police attributed the violence to the Elgar Parishad conclave held here on December 31, 2017, where provocative speeches were allegedly made.

They are also probing the alleged "Maoist link" of some activists to the Elgar Parishad conclave.

Several Dalit groups observe the anniversary of the Koregaon Bhima battle, in which the British defeated the Peshwas of Maharashtra.

The memorial, located at Perne village on Pune- Ahmednagar road, was constructed by the British in the memory of soldiers who died in the battle.

Dalit leaders commemorate the British victory as soldiers from the Mahar community were part of the East India Company's forces.

The Peshwas were Brahmins, and the victory is seen as a symbol of assertiveness by Dalits.

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News Network
February 10,2020

New Delhi, Feb 10: Former finance minister P Chidambaram on Monday tore into the Modi government's handling of the economy, saying it was close to collapse and was been attended by "very incompetent doctors."

Initiating the debate on the Union Budget for 2020-21, he said rising unemployment and falling consumption was making India poorer.

The economy, he said, is facing demand constraints and is investment starved. The economy is facing fall in consumption and rising unemployment.

"Fear and uncertainty prevails in the country," he added.

He said the chief economic advisor to the BJP government for four years, Arvind Subramanian has stated that the economy is in the ICU. But "I would say the patient has been kept out of ICU and incompetent doctors are looking at the patient," Chidambaram said.

"It is dangerous to have a patient out of ICU and being looked upon by incompetent doctors. What is the point standing around and chanting slogan 'Sab ka saath, sab ka vishwas'," he said, adding every competent doctor the Modi government could ever identify has left the country.

His said a list of such people included former RBI governor Raghurman Rajan, former CEA Arvind Subramanian, former RBI governor Urjit Patel and former NITI Aayog vice chairman Arvind Panagariya.

"Who are your doctors, I want to know," he said, adding the government considers Congress as untouchable and doesn't think of any good about the rest of the opposition and so doesn't consult them.

Chidambaram charged that instead of putting money in the hands of people, the Modi government "put money in hands of 200 corporates" by way of corporate tax.

He said Finance Minister Nirmala Sitharaman in her 160- minute budget speech did not talk of the economy and its management.

"You are living in echo chambers. You want to hear your own voice," he said.

Listing problems with the Modi government, Chidambaram said it refuses to admits in mistakes, lives in denial and has predispositions.

The demonetisation of old 1000 and 500 rupee notes, as well as the hurried implementation of the Goods and Services Tax (GST), are "monumental blunders" that ruined the economy, he said, adding the Modi regime is predisposed to protectionism, a 'strong' rupee and is against bilateral and multilateral agreements.

"It is living in denial," he said, adding the economic growth has fallen for hereto unseen six consecutive quarters.

He wondered on the narrative Finance Minister Nirmala Sitharaman was trying to give after reading out a 160-minute budget speech with few pages left unread.

Her budget neither made any reference to the Economic Survey nor picked up a single idea from it, he said.

Chidambaram, who is credited with presenting a 'dream budget' more than two decades back, said the GDP growth has declined for six consecutive quarters, agriculture is growing by just 2 per cent, while consumer price inflation has risen from 1.9 per cent in January 2019 to 7.4 per cent in a matter of 11 months.

Also, food inflation is at 12.2 per cent. Bank credit is growing 8 per cent with non-food credit rising by 7-8 per cent and credit to industry by just 2.7 per cent. Credit to agriculture has declined from 18.3 per cent to 5.3 per cent and that for MSMEs from 6.7 per cent to 1.6 per cent.

Overall industrial index showed just 0.6 per cent growth. "Every major industry is either near zero or in negative zone," he said, adding thermal power plants are operating at just 55 per cent of the capacity as factories have either closed or are on the verge of closure.

"That gives you a good picture of the state of economy. You don't require MRI," he said. "You are in management for six years. How long can you blame previous managers."

He charged the government with burying unfavourable reports such as the labour survey that put unemployment at 45 -year high of 6.1 per cent at end of 2017-18. Also, consumer expenditure has falling to 3.7 per cent between 2011-12 and 2017-18.

Drilling holes in Budget numbers, he said the 2019-20 budget projected a nominal GDP growth of 12 per cent but ended with just 8.5 per cent. Fiscal deficit was targeted to be shrunk to 3.3 per cent of the GDP but ended by at 3.8 per cent and in the next fiscal it is being targeted at 3.5 per cent.

Revenue deficit was targeted at 2.3 per cent in fiscal ending March 31, 2020 but ended up at 2.4 per cent and in the next it will rise to 2.8 per cent, he said, adding capital expenditure in the next fiscal will shrink to 0.7 per cent from 1.4 per cent in the current.

Net tax revenue in the current fiscal was targeted at Rs 16.49 lakh crore but only Rs 9 lakh crore was collected in first nine months till December 2019 and "you want us to believe this will rise to Rs 15 lakh crore by March 2020," he said.

Similarly, expenditure in 2019-20 was pegged at Rs 27.86 lakh crore but only Rs 11.78 lakh crore spent during April- December and by March this is projected to rise to Rs 27 lakh crore.

"You have no money to spend... and these are masked by numbers," he said. "Numbers are not easily acceptable or believable."

Chidambaram said the government is facing shortfall in all forms of taxes - Rs 1.56 lakh crore on corporate tax, Rs 10,000 crore on personal income tax, Rs 30,000 crore on customs, Rs 52,000 crore on excise and Rs 51,000 crore on GST.

This despite "the extraordinary powers" and "all kinds of power" given to lower level tax officials, he said.

He read of list of heads under which allocation has fallen - food subsidy, agriculture, PM-Kisan, rural roads, mid-day meal scheme, ICDS, skill development, Ayushman Bharat, rural development and MGNEGA.

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News Network
March 7,2020

New Delhi, Mar 7: No country in the world says everybody is welcome, External Affairs Minister S Jaishankar said on Saturday, hitting out at those criticising India over the Citizenship (Amendment) Act.

Jaishankar criticised the United Nations Human Rights Council (UNHRC) for its criticism on the situation in Jammu and Kashmir, saying its director had been wrong previously too and one should look at the UN body's past record on handling the Kashmir issue.

"We have tried to reduce the number of stateless people through this legislation. That should be appreciated," he said when asked about the CAA at the ET Global Business Summit. "We have done it in a way that we do not create a bigger problem for ourselves."

"Everybody, when they look at citizenship, have a context and has a criterion. Show me a country in the world which says everybody in the world is welcome. Nobody says that," the minister said.

The external affairs minister said moving out of the Regional Comprehensive Economic Partnership (RCEP) was in the interest of India's business.

Asked about the UNHRC director not agreeing with India on the Kashmir issue, Jaishankar said: "UNHRC director has been wrong before.

"UNHRC skirts around cross-border terrorism as if it has nothing to do with country next door. Please understand where they are coming from; look at UNHRC's record how they handled Kashmir issue in past," he added.

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