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Black Hole at Center of Milky Way Is Unpredictable and Chaotic – Mysterious Flares Erupt Every Day

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Black Hole at Center of Milky Way Is Unpredictable and Chaotic – Mysterious Flares Erupt Every Day

An international team of researchers led by graduate student Alexis Andrés has discovered that Sagittarius A*, the black hole at the center of the Milky Way, is not only flaring erratically every day, but also over the long term. The team came to this conclusion after analyzing 15 years of data. The research was initiated by Andres in 2019 when he was a summer student at the University of Amsterdam. In the years that followed, he continued his research, which will now be published in the Monthly Notices of the Royal Astronomical Society.

Sagittarius A* is a strong source of radio, X-rays and gamma rays (visible light is blocked by gas and dust). For decades, astronomers have known that Sagittarius A* flickers every day, emitting bursts of radiation 10 to 100 times brighter than the normal signal observed from black holes. To learn more about these mysterious flares, Andres looked for patterns in 15 years of data provided by NASA’s Neil Gehrels Swift Observatory, an Earth-orbiting satellite dedicated to detecting gamma-ray bursts. The Swift Observatory has been observing gamma rays from black holes since 2006. Analysis of the data shows that activity levels were high from 2006 to 2008, with a sharp drop in activity over the next four years. After 2012, the frequency of flares increased again—researchers struggled to distinguish a pattern.

Over the next few years, the team of astronomers hopes to collect enough data to rule out whether changes in Sagittarius A* flares are due to passing gas clouds or stars, or if there is something else that could explain the observed irregular activity From the black hole at the center of our galaxy.

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“The Swift Observatory’s long datasets did not happen by chance,” said co-author and former director Dr. Nathalie Degenaar of Andres at the University of Amsterdam. When she was a doctoral student, her request for the Swift satellite to make these specific measurements was granted. “I’ve been regularly requesting more observation time since then. It’s a very special observation program that allows us to do a lot of research.”

Co-author Dr Jakob van den Eijnden from the University of Oxford commented on the team’s findings: “Exactly how flares occur is still unclear. It was previously thought that more flares would occur after gas clouds or stars pass through a black hole, but it is not yet known. There’s no evidence for that. And we haven’t been able to confirm the hypothesis that the magnetism of the surrounding gas also plays a role.”

Complete News Source : SciTechDaily

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Bollywood

Kareena Kapoor chuckles at Jeh’s antics while sharing pictures of Taimur during a skiing trip in Switzerland.

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Kareena Kapoor chuckles at Jeh’s antics while sharing pictures of Taimur during a skiing trip in Switzerland.

Kareena Kapoor is enjoying her vacation in Switzerland with her husband, Saif Ali Khan, sons Taimur and Jeh, sharing photos from their skiing session on Instagram. Taimur, dressed in a red and green outfit, stands outdoors wearing ski gear, captioned by Kareena with a red heart and laughing emojis and a star emoji.

Kareena and Saif Ali Khan surprised their sons with special gifts during Christmas, sharing a glimpse of her international celebrations on Instagram. Kareena and Saif, who worked together in LOC Kargil and Omkara, fell in love on the 2008 film Tashan. They have two sons, Tamir and Jeh, and two children.

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Kareena appeared in Rohit Shetty’s action film, Singham Again, alongside Ajay Devgn, Akshay Kumar, Ranveer Singh, Tiger Shroff, Deepika Padukone, Arjun Kapoor, and Jackie Shroff.

Kareena Kapoor, the Bollywood actress known for her charismatic presence both on and off the screen, recently shared a heartwarming glimpse into her family vacation with her sons Taimur and Jeh during their skiing trip to Switzerland. Kareena, who frequently delights her fans with pictures of her family, posted some adorable snapshots that captured her son Taimur’s fun-filled moments on the snowy slopes.

The pictures, which were shared on her social media, show Taimur happily skiing and enjoying his time in the picturesque Swiss Alps. Fans were quick to notice his growing sense of independence and adventure as he took on the slopes with enthusiasm. As the firstborn of Kareena and Saif Ali Khan, Taimur has often been in the public eye since his birth, and his fans love to keep up with his activities and milestones.

However, it wasn’t just Taimur who stole the spotlight in Kareena’s recent post. The actress also shared a few candid moments featuring her younger son, Jeh. In one of the photos, Jeh is seen playfully enjoying his time in the snow, and Kareena can be heard chuckling in the background at his antics.

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The playful interactions between mother and son were endearing, and Kareena’s affectionate laughter resonated with her followers, who were quick to comment on how sweet it was to see such a joyful family moment.

Kareena’s captions further added to the charm of the post, as she wrote about how skiing was not just an adventure for Taimur but also a bonding experience for the entire family. While Taimur was embracing the thrill of skiing,

Jeh was content with his little snow games, and Kareena couldn’t help but laugh at the amusing and often unpredictable nature of family vacations with young children. Her playful comments Taimur and Jeh away from the hustle andabout Jeh’s quirky behavior added a light-hearted touch to the post, making her followers feel connected to her and her family.

The scenic backdrop of Switzerland added an enchanting layer to the beautiful pictures. With snow-capped mountains and picturesque landscapes, the family seemed to be having the perfect winter getaway. Kareena, known for her love for travel, has often shared snippets of her vacations with her followers, and this trip to Switzerland was no different. Fans were overjoyed to see the Kapoor family creating new memories together.

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Beyond just a fun-filled family vacation, the skiing trip also highlighted Kareena’s bond with her children. As a busy actress who juggles her career and family life, Kareena has always emphasized the importance of spending quality time with her loved ones. This trip was no exception, as she used the opportunity to bond with Taimur and Jeh away from the hustle and bustle of their daily lives.

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