Connect with us

Tech

Scientists discover extremely hot brown dwarf, preying by companion

Published

on

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.

Latest News

Pakistan declares AI chatbots to be dangers to security.

Published

on

By

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.

Continue Reading

Latest News

Unlawful VPNs: Terrorists Utilize Unregistered VPNs to Disseminate Propaganda

Published

on

By

Terrorists utilize illicit VPNs to disseminate propaganda and misinformation while concealing their identities.

Several accounts have been uncovered and are under investigation.

The cessation of non-registered VPNs is crucial for the nation’s economy.

The PTA is blocking illegal URLs and websites disseminating objectionable material upon verification.

Forensic investigations of websites have yielded startling results.

Disseminating erroneous information is more facile using unregistered VPNs.

Terrorists were exploiting these unverified VPNs.

Continue Reading

Latest News

Air University Holds A Revolutionary Event For Students Focusing On Cybersecurity

Published

on

By

Air Marshal (R) Asad Lodhi has praised the Pakistan Cyber Security Challenge, an initiative by the Air University and Higher Education Commission that aims to train future cyber security experts and pioneers. At the opening ceremony of the two-day Pakistan Cyber Security Challenge, which took place at Air University in Islamabad, he was the chief guest.
Showdown challenges, the Ideas Cup, and the Pakistan Crypt Challenge are all part of the Pakistan Cyber Security Challenge, which lasts for two days.

Air Marshal (R) Abdul Moeed Khan, VC of Air University, made a speech praising the cyber security abilities of Pakistani youth, saying that they are among the best in the world and will help the country face cyber threats. A haven for cyber security excellence, he said, Pakistan Cyber Security Challenge 2024. Additionally, he praised the Air University for its innovative and outstanding work in this area.
At the inaugural ceremony of the Pakistan Cyber Security Challenge, Dr. Zia Ul Qayyum, executive director of the Higher Education Commission, also spoke to the crowd. He discussed how HEC has created a welcoming atmosphere and helped facilitate projects such as the Pakistan Cyber Security Challenge.
As part of the inauguration event, an MoU was also signed. Guests and participants were given souvenirs as the opening ceremony came to a close.

Continue Reading

Trending