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Scientists discover extremely hot brown dwarf, preying by companion

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Scientists have discovered a brown dwarf — WD0032-317B — orbiting its star at around 1,400 light years away, allowing them to gain further insight into how a nearby star eats its companion.

These brown dwarfs are stars full of gas, emanating luminosity, also regarded as a protostar. It is reported that the atmosphere of brown dwarfs is the same as Jupiter however, their size is 13 to 80 times large.

According to space.com, at that mass, these objects begin to fuse hydrogen isotopes in their cores, but they aren’t enough massive to spark the kind of full self-sustaining stellar fusion that powers stars like our sun.

Scientists have said that this newly discovered brown dwarf is different from other brown dwarfs, according to research accepted by the journal Nature Astronomy.

While measuring the surface temperature of the dwarf, researchers found that it was 7,700 Degree Celsius.

This is an illustration of a brown dwarf that would appear magenta or orange-red to the human eye if seen close up. — Nasa
This is an illustration of a brown dwarf that would appear magenta or orange-red to the human eye if seen close up. — Nasa

The researchers in the discovery suggested that the object got an assist from the star it orbits, which is very near to its sun, an ultra-hot white dwarf — so close that its year lasts just 2.3 hours.

According to the Science Alert report, that proximity means WD0032-317B is tidally locked, with one side forever facing its star while the other faces away.

Researchers noted that because of this, the brown dwarf is only superheated on one side; even though its day side temperature reaches 13,900 F, its night side is a comparatively balmy 1,900 to 4,900 F (1,000 to 2,700 C).

“That’s the most extreme temperature differential astronomers have measured on a substellar object,” researchers opined.

However, these conditions are not believed to last long as its molecules continue to fall apart, and the brown dwarf is being evaporated by its host star.

The researchers also noted that the discovery could help them understand what happens to Jupiter-like gas giants orbiting extremely hot, massive stars, the observation of which can be challenging due to the properties of the stars, such as their activity and rotation rate.

This space activity will allow scientists to study how extremely hot stars gradually eat their companions.

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Bitcoin makes its first breach of $94,000.

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As news broke that Donald Trump’s social media company was in negotiations to acquire cryptocurrency trading platform Bakkt (BKKT.N), Bitcoin surged to a record high above $94,000, adding to optimism that the next Trump administration would be cryptocurrency-friendly.

This year, Bitcoin, the largest and most well-known cryptocurrency in the world, has more than doubled in value. Just before the close of the previous session, it reached a record high of $94,078 before closing at $92,104 in Asian hours on Wednesday.

According to the Financial Times, which cited two persons with knowledge, NYSE-owner Intercontinental Exchange (ICE.N) is supporting Trump Media and Technology Group (DJT.O), opens new tab, which runs Truth Social, in its pursuit of an all-stock purchase of Bakkt.

In addition to traders taking advantage of the first day of options trading on the Nasdaq over BlackRock’s Bitcoin ETF (IBIT.O), Tony Sycamore, market analyst at IG, stated that the Trump deal chatter had helped push bitcoin to a record high.

As traders hoped that President-elect Trump’s pledged support for digital assets would result in a less stringent regulatory framework and give bitcoin a boost after a sluggish few months, cryptocurrencies have surged since the U.S. election on November 5.

According to data and analytics aggregator CoinGecko, the global cryptocurrency market is now worth over $3 trillion, a new high, due to the growing excitement.

Australian online broker Pepperstone’s head of research, Chris Weston, stated that there is genuine underlying purchasing pressure on bitcoin and that “another kick higher should bring in a fresh chase from those who like to buy what’s strong.”

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The PTA discloses how many VPNs are registered in Pakistan.

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Speaking at the Senate Standing Committee on IT meeting in Islamabad, which was presided over by Palwasha Khan, was the PTA chief.

The continuous regulation of Virtual Private Networks (VPNs) in Pakistan was the main topic of discussion. The committee called for the next meeting and voiced concerns about the Minister of State for IT’s absence for the third consecutive session.

“We have spent the last two years developing VPN legislation. Uninterrupted internet connection is guaranteed by registered VPNs without sacrificing privacy, according to the PTA chairman.

During the session, Senator Muhammad Humayun criticized the measures, saying, “Shutting down platforms like X (formerly Twitter) is jeopardizing the entire IT industry and impacting the livelihoods of over 2.5 million individuals in Pakistan.”

He opposed laws that would hurt independent contractors and small companies.

Although the PTA promised that registered VPNs would not experience internet outages, committee members wanted to know the exact legal foundation for these regulations. Senator Kamran Murtaza asked for documents that detailed the requirements for registration.

“If VPN services are abruptly halted, there will be a major backlash,” Senator Afnan Ullah said. While pointing out that Pakistan’s IT exports had increased by 20% in the previous year, he emphasised that the sector was still lagging behind India.

Concerns over the viability of the existing VPN whitelist method were voiced by the committee. While IT officials admitted that more than 1 million freelancers in Pakistan rely significantly on VPNs for their business, Senator Humayun pointed out that the laws should be more beneficial than harmful.

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Pakistan declares AI chatbots to be dangers to security.

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The National Computer Emergency Response Team (CERT) has released a security advisory concerning the increasing utilization of artificial intelligence (AI) chatbots, emphasizing potential hazards related to the exposing of private data.

The recommendation recognizes that AI chatbots, like ChatGPT, have gained significant popularity for personal and professional duties owing to their capacity to improve productivity and engagement. Nonetheless, the CERT cautions that these AI systems frequently retain sensitive information, so posing a danger of data breaches.

Engagements with AI chatbots may encompass sensitive information, such as corporate strategy, personal dialogues, or confidential correspondence, which could be compromised if inadequately safeguarded. The warning emphasizes the necessity for a comprehensive cybersecurity framework to alleviate concerns associated with AI chatbot utilization.

Users are advised against inputting critical information into AI chatbots and are encouraged to deactivate any chat-saving functionalities to mitigate the danger of unwanted data access. The CERT additionally advises performing routine system security checks and employing monitoring tools to identify any anomalous behavior from AI chatbots.

Organizations are urged to adopt rigorous security protocols to safeguard against possible data breaches resulting from AI-driven interactions.

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