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Science Explorer
Science Explorer
1 y

The Surprising Source of Radiation Coming From Black Holes
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www.universetoday.com

The Surprising Source of Radiation Coming From Black Holes

Black holes are famous for sucking in everything that crosses their event horizons, including light. So, why do astronomers see energetic radiation coming from the environment of a black hole in an X-ray binary system? It’s a good question that finally has an answer. As a black hole and its companion star in the system orbit in a mutual gravitational dance, material from the star spirals toward the black hole. It forms an accretion disk which glows bright in X-rays. The disk is threaded through by strong magnetic fields that get twisted as the black hole and disk spins. But, where do the X-rays originate? It turns out they stream from turbulent regions in the disk. They don’t come from the black hole itself. X-ray Binary Systems To understand these binary systems better, it helps to take a general look at their origins. These odd couples generally contain a regular star (usually a main-sequence one) coupled gravitationally to a neutron star or a black hole. There are several types of systems. One is the low-mass type with a star that has a lower mass than the neutron star or black hole companion. There are intermediate-mass ones, which contain an intermediate-mass star, and the high-mass x-ray binary that has a very high-mass star in the system. Artist’s impression of an X-ray binary system. This one is called MAXI J1820+070, with a black hole (small black dot at the center of the gaseous accretion disk) and a companion star. Image produced with Binsim (credit: R. Hynes). The black hole/neutron star components form when a supermassive companion star explodes as a supernova. After that, the donor star starts losing mass to the dead star companion. The infalling material generally creates the accretion disk where high-energy activity takes place. Generally, the action in the accretion disk generates the emissions astronomers detect in these systems. The low-mass binaries emit more X-rays as part of their radiation “budget”, while the high-mass ones emit a lot of optical light in addition to the X-rays. For a long time, scientists tried to understand the sources of the high-energy radiation by watching as the material was swept into the accretion disks. X-rays generally occur in extremely energetic environments. So, everyone assumed that these disks had localized energetic regions. One idea was that magnetic fields and local gas clouds interacted and that generated the x-rays. The activity looks similar to heating in the Sun’s environment created by magnetic activity related to solar flares. Flares do occur in the accretion disks around black holes, and they’re much more extreme than our Sun’s outbursts. Making X-rays at Black Holes Supercomputer simulations done at the University of Helsinki helped pinpoint the cause of the X-rays. They modeled interactions between radiation, superheated plasma, and magnetic fields in black hole accretion disks in binary pairs. The simulations showed that the turbulence around the black hole is incredibly strong. The plasma actually does produce X-rays emanating from accretion disks. Joonas Nättilä of the Computational Plasma Astrophysics group at the university led a team that investigated this kind of extreme plasma. He pointed out that to understand what’s happening we have to look at the effects of quantum electrodynamics on the system. The team modeled a mix of electron-positron plasma and photons. Electron-positron plasma is a state where electrons and positrons interact in the confines of a strong magnetic field. In such conditions, the local X-ray radiation turns into electrons and positrons. Then, they annihilate back into radiation as they re-establish contact. Electrons and positrons are antiparticles of each other. That means they don’t usually occur in the same place. In addition, plasma and radiation don’t usually interact with each other. But, that can all change when you get into the environment around a black hole. There, electrons and positrons exist in close quarters and photons become so energetic that they become part of the activity. “In everyday life, such quantum phenomena where matter suddenly appears in place of extremely bright light are, of course, not seen, but near black holes, they become crucial,” Nättilä said. “It took us years to investigate and add to the simulations all quantum phenomena occurring in nature, but ultimately, it was worth it,” he added. For More Information Explanation Found for X-ray radiation from Black HolesRadiative Plasma Simulations of Black Hole Accretion Flow Coronae in the Hard and Soft states Arxiv preprint The post The Surprising Source of Radiation Coming From Black Holes appeared first on Universe Today.
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Science Explorer
Science Explorer
1 y

There Was a Strange Sound Coming From Starliner. It Was Caused by a Speaker in the Capsule
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There Was a Strange Sound Coming From Starliner. It Was Caused by a Speaker in the Capsule

As part of the Commercial Crew Program (CCP), NASA contracted with commercial space partners to develop crew-capable spacecraft to restore domestic launch capability to U.S. soil. In addition to SpaceX’s Crew Dragon vehicle, which was validated in 2020 and has been transporting crews to the International Space Station (ISS) ever since. Concurrently, Boeing developed the CT-100 Starliner, which has suffered a seemingly endless string of technical issues and delays. After undergoing a long checklist of fixes, the Starliner completed its first orbital flight test (OFT-1) in May 2022. The Starliner then made its first crewed flight to the ISS on June 5th, 2024, carrying two astronauts – Butch Wilmore and Sunita Williams. Unfortunately, malfunctions with the spacecraft’s RCS thrusters have forced it to remain in orbit until the necessary fixes were made. In addition to its thrusters, astronaut Butch Wilmore identified a strange pulsing sound coming from the Starliner crew capsule. That sound has since been identified as feedback from one of the capsule’s speakers, apparently due to an audio configuration between the ISS and Starliner. Radio noise and feedback are common aboard the ISS and are the result of the station’s complex audio system, which allows multiple spacecraft and modules to be interconnected. Per standard practice, crews are asked to contact mission control whenever they hear sounds coming from the comm system to determine if there is a larger technical issue at work. According to NASA, the feedback Wilmore reported has no technical impact on the crew, the Starliner, or station operations and will not prevent the ship from returning. Still, due to ongoing safety concerns, NASA has decided that the Starliner will return to Earth uncrewed no earlier than Friday, Sept. 6th. After undocking from the station and reentry, it will land at NASA’s White Sands Space Harbor in New Mexico at 12:03 AM local time (02:03 PM EDT; 11:03 AM PDT) on Sept. 7th. In the meantime, Wilmore and Williams will become part of the Expedition 71/72 crew on the station alongside cosmonauts Aleksey Ovchinin, Ivan Vagner, and NASA astronaut Donald Pettit. Further Reading: NASA The post There Was a Strange Sound Coming From Starliner. It Was Caused by a Speaker in the Capsule appeared first on Universe Today.
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Clips and Trailers
Clips and Trailers
1 y ·Youtube Cool & Interesting

YouTube
Monsters rob a Police Station! | R.I.P.D. | CLIP
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RetroGame Roundup
RetroGame Roundup
1 y ·Youtube Gaming

YouTube
Newer Super Mario Bros - The Unknown Sequel #newsupermariobros #wii #homebrew
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Beyond Bizarre
Beyond Bizarre
1 y ·Youtube Wild & Crazy

YouTube
This Man Was Able To Capture The Clearest Images Of Bigfoot Ever Taken
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Intel Uncensored
Intel Uncensored
1 y

WHY EV's are PIECES OF SHIT!!! (MEME!!!)
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api.bitchute.com

WHY EV's are PIECES OF SHIT!!! (MEME!!!)

BOOM - The Irony of smart ones to have to be sarcastic to wake up the sheeple... mirrored from rumble Expose and Share Everything channel
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Intel Uncensored
Intel Uncensored
1 y

CHECKUR6: Jab Proof - Beyond a Reasonable Doubt
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api.bitchute.com

CHECKUR6: Jab Proof - Beyond a Reasonable Doubt

MIRROR SOURCE: ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ⫸CHECKUR6⫷: https://old.bitchute.com/channel/checkur6/ | https://t.me/checkyour6 | https://odysee.com/@checkur6:4 | https://rumble.com/user/Checkur6 ? https://odysee.com/@checkur6:4/jabproof:4 ? https://old.bitchute.com/video/3fOft54dkCtT/ ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ⚠️MORE UP TO DATE CONTENT HERE:⚠️: https://odysee.com/$/invite/@SixthSense-Truth-Search-Labs:0 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ?Post Covid Jab Supplement Guide - Dr. Zandré Botha?: https://odysee.com/@SixthSense-Truth-Search-Labs:0/post-covid-jab-supplement-guide:1 ⚠️Autopsy-based histopathological characterization of myocarditis after anti-SARS-CoV-2-vaccination [PDF DOC]⚠️ https://bit.ly/3HHQJt9 ⚠️A Case Report: Multifocal Necrotizing Encephalitis and Myocarditis after BNT162b2 mRNA Vaccination against COVID-19 ⚠️ https://www.mdpi.com/2076-393X/10/10/1651 https://bit.ly/3xpvS7t ⚠️Autopsy-based histopathological characterization of myocarditis after anti-SARS-CoV-2-vaccination [PDF DOC]⚠️ https://bit.ly/3HHQJt9 ⚠️What is in the so-calledCOVID-19 “Vaccines”? Part 1: Evidence of a Global Crime Against Humanity:⚠️ https://ijvtpr.com/index.php/IJVTPR/article/view/52/121 https://bit.ly/3gXgQ4j ⚠️Scanning and Transmission Electron Microscopy Reveals Graphene Oxide in CoV-19 Vaccines⚠️ https://www.actascientific.com/ASMS/pdf/ASMS-06-1351.pdf ⚠️Evidence for a connection between coronavirus disease-19 and exposure to radiofrequency radiation from wireless communications including 5G⚠️ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8580522/pdf/jclintranslres-2021-7-5-666.pdf ⚠️Case Briefing Document and lab report, shows GRAPHENE OXIDE FOUND IN ALL MRNA INJECTIONS, 11/02/2022⚠️ https://ukcitizen2021.org/Case_Briefing_Document_and_lab_report_Ref_AUC_101_Report%20.pdf This report, ref AUC_101_Report, which was commissioned by EbMCsquared CiC and prepared and published by UNIT relates to initial findings and forms a strong case for continued further scientific investigation. ⚠️On the Clear Evidence of the Risks to Children from Smartphone and WiFi Radio Frequency Radiation [PDF]⚠️ https://bit.ly/3VKaOSY ⚠️Pfizers Adverse Reactions Doc, they wanted to hide for 75 YEARS! ⚠️ https://phmpt.org/wp-content/uploads/2021/11/5.3.6-postmarketing-experience.pdf ?NEW!! - OUTREACH WORLDWIDE​ - PARENTS JUST SAY NO TO CHILDREN & TEENS COVID-19 BIOWEAPON - PDF DOC ?NEW!! https://odysee.com/@SixthSense-Truth-Search-Labs:0/c830f5_ebc0ec0e2cc6440891058154886c5f11:a
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The Lighter Side
The Lighter Side
1 y

The 3-step Harvard conversation trick that makes shy people more likable
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www.upworthy.com

The 3-step Harvard conversation trick that makes shy people more likable

Many people, especially those who are introverted and shy, are uncomfortable making small talk with someone new, whether they’re at a party, work event, or just standing in line at the grocery store. However, a Harvard study revealed a simple 3-step trick to make you more likable and conversations more comfortable.The researchers found that when approaching someone you have never met, asking a question and then 2 follow-up questions dramatically increases your likeability. The study was conducted by Harvard researchers and published in the Journal of Personality and Social Psychology. “We identify a robust and consistent relationship between question-asking and liking,” the study's authors write. “People who ask more questions, particularly follow-up questions, are better liked by their conversation partners.”How do I make new people like me?The study should be a big relief to shy people and introverts who are not interested in trying to impress people by going on and on about themselves. According to the research, when you meet someone new at a party, the important thing is to approach them like it’s an interview, and you are the journalist. You just need one strong opening question and then you can follow up 2 times by asking them to clarify what they meant or expand on something they said. via Nicole Michalou/Pexels“Think to yourself, I need to ask at least five questions in this conversation, or I need to ask questions in this conversation, listen to the answers, and ask follow-up questions. It’s easy to do, and — even better — requires almost no preparation,” Alison Wood Brooks, assistant professor and Hellman Faculty Fellow at Harvard Business School and a co-author of the study, said, according to Forbes.People like those who ask follow-up questions not only because they enjoy talking about themselves. It also shows that their conversation partner is actively listening. They are paying attention, not looking over your shoulder at someone else. “Follow-up questions are an easy and effective way to keep the conversation going and show that the asker has paid attention to what their partner has said,” the researchers write.The findings counter the strategy many use when meeting someone for the first time, whether on a blind date or at a networking event. For many, the first step is to try and impress the new person, but research shows that’s not the case. Two people talking at a party.via Antoni Shkraba/Pexels“The tendency to focus on the self when trying to impress others is misguided,” the study’s authors wrote, adding that “redirecting the topic of conversation to oneself, bragging, boasting or dominating the conversation, tend to decrease liking.”It’s a pretty simple concept: people like talking about themselves and if you allow them, they’ll like you more. “Compared to those who do not ask many questions, people who do are better liked and learn more information from their conversation partners,” Brooks said. “This strategy does both. It’s an easy-to-deploy strategy anyone can use to not only be perceived as more emotionally intelligent but to actually be more emotionally intelligent as well.”One of the studies cited by the authors focused on online dating and found that asking follow-up questions meant a greater chance of getting a second date. The researchers found that the top third of question-askers got the most second dates. When researchers looked at face-to-face speed daters, where they met 20 people at a time, they found that asking one more question on each date would help someone succeed in getting a “yes I want to see you again” on one more date.The 3-question rule has some caveats. You should make sure you're having a conversation, not an interrogation. “Asking a barrage of questions without disclosing information about yourself may come across as guarded, or worse, invasive,” Brooks says. Some folks having fun at a party.via Pavel Danilyuk/PexelsHow much should I talk in a conversation?While it’s important to ask questions when you meet someone new, you can’t let them do all the talking. Research shows that the perfect conversation ratio is 43:57. You do 43% of the talking and 57% of the listening. The goal is to make your conversation partner and new friend think, “Wow, that person really gets me” by the time the conversation ends.The next time you find yourself in a social situation, you can feel a bit more relaxed knowing there is a scientifically proven way to ensure that people will find you likable and a good conversationalist. Remember the three-question rule: Open with a question and then ask 2 follow-ups.
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Classic Rock Lovers
Classic Rock Lovers  
1 y

“Dead presidents”: Jim Morrison’s dark obsession with the JFK assassination
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faroutmagazine.co.uk

“Dead presidents”: Jim Morrison’s dark obsession with the JFK assassination

You can't blame him... The post “Dead presidents”: Jim Morrison’s dark obsession with the JFK assassination first appeared on Far Out Magazine.
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Classic Rock Lovers
Classic Rock Lovers  
1 y

The strange bitter feud between Aretha Franklin and Dionne Warwick
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faroutmagazine.co.uk

The strange bitter feud between Aretha Franklin and Dionne Warwick

"Eliminate the competition." The post The strange bitter feud between Aretha Franklin and Dionne Warwick first appeared on Far Out Magazine.
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