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 26,2025

Mangaluru, Nov 26: Mangaluru East police have registered a case following a sophisticated online fraud where a 57-year-old local resident was allegedly cheated out of ₹13.4 lakh after being targeted on Facebook.

The scam began in February when the complainant, while browsing Facebook reels, was contacted by a woman identifying herself as "Lillian Mary George" from London. After establishing a chat relationship, the woman claimed she would visit India in November and bring a significant sum of money.

The trap was sprung on November 15, when the victim received a call from a woman named "Sonali Gupta," who claimed Lillian had arrived at Mumbai International Airport but was detained by customs. The fraudsters convinced the man that Lillian was carrying £25,000 (about ₹26 lakh) in traveller’s cheques and 1 kg of gold (valued at around ₹30 lakh).

Under the pretense of clearing these items, the victim was asked to make numerous online transfers between November 15 and 18 for various bogus charges, including:

•    "Pounds exchange registration"
•    "Customs declaration issues"
•    "Discount charges"
•    "Money-laundering charges"

Believing the fictitious story, the complainant transferred the cumulative sum of ₹13.4 lakh to various bank accounts provided by the fraudsters. He realised he was cheated when the culprits later promised a refund within two days but stopped answering his calls. The Mangaluru East police are now investigating the case, which highlights the continuing threat of transnational cyber fraud using social engineering and promises of fictitious wealth.

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News Network
November 26,2025

students.jpg

Bengaluru, Nov 26: Karnataka is taking its first concrete steps towards lifting a three-decade-old ban on student elections in colleges and universities. Deputy Chief Minister D.K. Shivakumar announced Wednesday that the state government will form a small committee to study the reintroduction of campus polls, a practice halted in 1989 following incidents of violence.

Speaking at a 'Constitution Day' event organised by the Karnataka Congress, Mr. Shivakumar underscored the move's aim: nurturing new political leadership from the grassroots.

"Recently, (Leader of the Opposition in Lok Sabha) Rahul Gandhi wrote a letter to me and Chief Minister (Siddaramaiah) asking us to think about restarting student elections," Shivakumar stated. "I'm announcing today that we'll form a small committee and seek a report on this."

Student elections were banned in Karnataka in 1989, largely due to concerns over violence and the infiltration of political party affiliates into campus life. The ban effectively extinguished vibrant student bodies and the pipeline of young leaders they often produced.

Mr. Shivakumar, who also serves as the Karnataka Congress president, said that former student leaders will be consulted to "study the pros and cons" of the re-introduction.

Acknowledging the history of the ban, he added, "There were many criminal activities taking place back then. We’ll see how we can conduct (student) elections by regulating such criminal activities."

The Deputy CM reminisced about his own journey, which began on campus. He recalled his political activism at Sri Jagadguru Renukacharya College leading to his first Assembly ticket in 1985 at the age of 23. "That's how student leadership was at the time. Such leadership has gone today. College elections have stopped," he lamented, adding that for many, college elections were "like a big movement" where leaders were forged.

The move, driven by the Congress high command's push to cultivate young talent, will face scrutiny from academics and university authorities who have, in the past, expressed concern that the return of polls could disrupt the peaceful academic environment and turn campuses into political battlegrounds.

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News Network
November 22,2025

Mangaluru: Police Commissioner Sudheer Kumar Reddy C H has warned of strict action against individuals spreading rumours and attempting to create insecurity within the Muslim community and fuel hatred between Hindus and Muslims through social media.

Referring to a recent social media post alleging that police personnel had entered a masjid premises to check whether beef was being cooked, the commissioner said miscreants were attempting to push their communal agenda. 

“A group of people, both from Mangaluru and abroad, are trying hard to spread rumours. For the past 10 days, they have been attempting to rake up old issues, highlight routine matters as controversies, or fabricate news altogether,” he said.

He reiterated that any such attempts to disturb communal harmony would invite legal action. “Cases will be registered and the accused will be brought to book,” he stated.

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