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
March 21,2020

Rome, Mar 21: Italy on Friday reported a record 627 new deaths from the novel coronavirus, taking its overall toll past 4,000 as the pandemic gathered pace despite government efforts to halt its spread.

The total number of deaths was 4,032, with the number of infections reaching 47,021.

Italy's previous one-day record death toll was 475 on Wednesday.

The nation of 60 million now accounts for 36.6 percent of the world's coronavirus deaths.

Italy has seen more than 1,500 deaths from COVID-19 in the past three days alone.

Its current daily death rate is higher than that officially reported by China at the peak of its outbreak around Wuhan's Hubei province.

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News Network
February 4,2020

Feb 4: Amid the agitations against Citizenship Amendment Act, National register of Citizens and National Population Registration across the country, Prime Minister Narendra Modi on Monday said that there is a "political design" behind all these protests including in Delhi's Jamia and Shaheen Bagh to ruin the harmony of the nation.

"Be it Seelampur, Jamia or Shaheen Bagh, protests held over the past several days regarding the Citizenship Amendment Bill. Is this just a coincidence? No. This is an experiment," said Prime Minister Narendra Modi in his first election rally for Delhi polls at Karkardooma.

"There is a political design behind all these protests including Jamia and Shaheen Bagh. These protests are a conspiracy to divide India. These protests are going to ruin the harmony of the nation," he asserted.

Lambasting the opposition parties including Congress and Aam Aadmi Party for supporting the ongoing protests, he said: "But AAP and Congress are provoking people. Constitution and tricolor are being kept in front and attention is being diverted from the real conspiracy."

"These people were doubting the ability of our forces during surgical strikes. Do citizens of Delhi want such people in power? These people are saving those who want to break India into pieces," he added.

People have been protesting at Jamia and Shaheen Bagh against CAA, NRC and NPR. Members of the Opposition have deemed CAA "discriminatory and anti-Constitution" while the Centre has maintained that the new law has no effect on Indian citizens.

Recently, two firing incidents took place near Jamia Millia Islamia University.On Sunday night, the firing incident was reported near gate number five at the university following which people including some students of the varsity gathered outside the Jamia Nagar police station. They returned from the Jamia Nagar police station after their complaint was registered.

Earlier, a student sustained injuries after a young man fired at the protestors near Jamia.

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abdullah
 - 
Tuesday, 4 Feb 2020

Once again incorrect statement and only to divert people attention.  Every one knows who is ruining image of our nation.   this govt has completely failed in all aspects and trying to survive by misguiding the citizens.  Economy is reaching zero and GDP is coming down day by day, Banks and industries on getting closed. youths are unemployed due to no chance.   However, Govt is giving false statement that nothing to worry and our economy if growing.   this govt has brought black bills of CAA and MPR only to divide the society and keep them engaged and forget the falling economy.   If this situation continues, our nation will be one of the poorest countries in the world.   This govt is trying to sell all Govt hold units like Railway, Insurance, etc to private companies only to help the industrialists and to get commission from them.    LIC was running in profit till 4 to 5 years back, but now its running in loss.   Huge amount of money from LIC is taken by Govt to hide the downfall of economy.   Only God can save our country from the hands of present looters + decoits.  

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News Network
May 24,2020

New Delhi, May 24: Overwhelmed by the donations that poured in from the society for his help, Phool Mia, the fruit seller in north Delhi's Jagatpuri area whose mangoes were looted by the ordinary people, said that those who helped him have made his "Eid" and have shown that "humanity is still alive".

Video footage that went viral on social media, shows that scores of passers-by looted the unattended crates of mangoes of a fruit seller after a fight broke out in the neighbourhood. The incident took place on Wednesday.

"My stock of mangoes worth Rs 30,000 was kept there. Some persons were fighting with each other fearing which I left the place to avoid any sort of altercation. When I returned, I saw that they were looting the mangoes kept there. There were 50-100 people who were involved in this act," Phool Mia, narrated the ordeal.

"A video got viral about the incident after which people donated to me on a portal. They empathised with me when I was ruined. I thank the media and all those people who have donated from the bottom of my heart as they made my Eid. Now, I would be able to celebrate Eid with my children. This shows humanity is still alive," he added.

However, four people have been arrested on the basis of video footage, Delhi Police said.

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