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Asteroid Apophis is speeding up from sunlight as scientists recalculate odds of 2068 impact

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4 years ago

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Asteroid Apophis is speeding up from sunlight as scientists recalculate odds of 2068 impact

Cosmologists state they’ll need to watch out for the close Earth space rock Apophis to perceive the amount of a risk the space rock postures to our planet during a nearby pass in 2068. Be that as it may, don’t freeze: The odds of an effect actually appear to be low.

In specific situations, the sun can warm a space rock unevenly, causing the space rock to transmit away warmth energy lopsidedly. The outcome can be a minuscule push a specific way — an impact called Yarkovsky speeding up, which can change the way of a space rock through space.

Since cosmologists hadn’t estimated this sunlight based push on Apophis previously, they didn’t think about it while ascertaining the danger the space rock stances to us in 2068. Those past computations demonstrated a small effect likelihood — around 1 out of 150,000.

Presently, another examination shows the space rock is floating away from its recently anticipated circle by around 557 feet (170 meters) a year because of the Yarkovsky impact, lead creator and University of Hawaii at Manoa cosmologist David Tholen said during a question and answer session on Oct. 26.

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“Fundamentally, the warmth that a space rock emanates gives it an extremely little push,” he clarified during a virtual gathering of the American Astronomical Society’s Division for Planetary Sciences. You can discover the question and answer session on YouTube here. It starts at the 22-minute imprint.

“The hotter side of the equator [of the asteroid] would push marginally more than the cooler half of the globe, and that makes the space rock float away from what a simply gravitational circle would anticipate,” Tholen said.

Demonstrating the circle for the 1,120-foot-wide (340 m) Apophis, he showed that space experts thought they had enough perceptions of the space rock — gathered throughout the years after its revelation in 2004 — to pretty much standard out an effect in 2068. Those counts, nonetheless, depended on a circle not influenced by the sun’s energy. Eventually, this implies we can’t yet preclude Apophis being a danger in 2068, Tholen said.

“The 2068 effect situation is as yet in play,” Tholen said. “We have to follow this space rock cautiously.”

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Luckily, the space rock will make a nearby (yet still sheltered) way to deal with our planet in 2029, permitting ground-based telescopes — including the Arecibo Observatory’s ground-breaking radar dish — to get a more itemized take a gander at the space rock’s surface and shape. Apophis will be so close it will be noticeable with the unaided eye, at third extent — probably as brilliant as the parallel star Cor Caroli.

“Of all dates, Friday the thirteenth in April, April 13 [2029], is the point at which the flyby will happen,” Tholen said., “Clearly, the 2029 close methodology is basic. We’ll know after that happens precisely where it [Apophis] was as it passed the Earth, and that will make it a lot simpler for us to anticipate future effect situations.”

A joint European-NASA mission will likewise test and watch space rock redirection at a space rock called Didymos, beginning in 2022. In the event that all goes to design, NASA’s Double Asteroid Redirection Test (DART) rocket will pummel into “Didymoon,” the moon circling Didymos. The European Space Agency will at that point dispatch the Hera mission in 2023 or 2024 and arrive at Didymos two years after the fact, to perceive how well the active impactor did in moving the moon from its past circle.

NASA has a devoted Planetary Defense Coordination Office that gathers space rock perceptions from an organization of accomplice telescopes, and which goes through situations with different U.S. offices for space rock avoidance or (in the most pessimistic scenario) clearing compromised populaces from an approaching space rock. Up until now, many years of perceptions have discovered no approaching space rock or comet dangers to our planet.

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Tap To Explore More : Space.com

Also Read : UGC ISSUES GUIDELINES ON REOPENING UNIVERSITIES, COLLEGES IN PHASES

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Winner of BTS’ Jungkook lookalike competition in Chicago is an all-too-familiar face as ‘lore runs deep’

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10 hours ago

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November 25, 2024

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Winner of BTS’ Jungkook lookalike competition in Chicago is an all-too-familiar face as ‘lore runs deep’

On Sunday, The BTS Jungkook lookalike contest winner was crowned in Chicago. Impersonators sporting his signature piercings and tattoos swarmed the venue.

Social media personality Andrew Alexander, who’s previously been documented as sharing “striking similarities” with BTS’ Jungkook, won the K-pop star-focussed lookalike competition in Chicago on Sunday, November 24, 2024. (Instagram )

The chain reaction set off by YouTuber Anthony Po’s super-viral Timothée Chalamet look-alike contest in Manhattan on October 27, led fans to the K-pop chapter of this journey a month later.

On Sunday, November 24, the new US trend surrounding celebrity lookalike contests saw BTS’ Jungkook enthusiasts turning up for registration in droves. As the Hindustan Times (and several other outlets) previously reported, the event held at Ping Tom Memorial Park in Chicago, Illinois, handed out a $20 cash prize and a bottle of Soju to the winner. As it turned out, some older fans of the K-pop septet already knew the much-debated winner of the anticipated turnout.

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Also read | HT Exclusive: BTS Festa, NCT Nation, top K-dramas and more now streaming on Channel K – Amazon Prime Video at 1 INR

A flurry of fan-shared videos and photos popped up online on Sunday (US time), capturing the three finalists in action as the trio, like other Jungkook impersonators showed up dressed in variations of black outfits. Ultimately, Andrew Alexander, a widely renowned YouTube sensation, was crowned the winner. Even if the name doesn’t ring a bell, some BTS fans will remember the content creator from a years-old YouTube video, in which his sister “turned” him into the beloved K-pop group’s maknae.

Who is Andrew Alexander, the winner of Chicago’s Jungkook lookalike competition?

According to the social media personality’s YouTube videos, Andrew is a third-year university student living in California. He clearly flew into Chicago, especially for the Jungkook contest scheduled this week.

Over four years ago, Alexander’s sister, Ashley, posted a video titled “I turned my brother into BTS Jungkook,” as she highlighted how “a lot of people say he looks like” the K-pop star. Given their “striking similarities,” as reflected not only their resemblance (though not validated by a lot of fans) but also their mannerisms, Andrew’s other sister (presumably), Amber, said at the time, “It’s so funny every video we post, there’s at least 20 new people that are like ‘I don’t know if anyone’s ever said this but, Andrew looks like Jungkook’”.

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However, Andrew himself did not admit to the similarities. That didn’t stop BTS fan pages from drawing comparisons between him and the BTS singer.

In a video posted before the viral winning announcement, Andrew’s sister documented the scene at the competition venue. Ashley wrote confirmed in the caption, “He flew from LA we flew from NY.” Ironically, the ultimate Jungkook lookalike contest participant was also registered as #7, a number that holds great emotional significance in the BTS fandom, given the group’s member count.

Also read | With no tickets to Taylor Swift’s Toronto Eras stop, NYC influencer forced to shell out thousands of dollars last minute

A netizen who’d had been a longtime fan of the Alexander siblings clan – all YouTube personalities – commented on one of Andrew’s posts on November 24, “been a fan since 2018,” as they added a reference to Ashley’s YouTube channel “ur mom ashley.”

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In yet another video posted by Amber Alexander, she also recorded the full-circle moment: “He flew all the way from California for this (crying emoji) after years of getting comments saying he looks like Jungkook @andrewalexander WON THE LOOKALIKE COMPETITION.”

Hours before show time, Ashley also took to her TikTok profile (@aaashleyk), showing a behind-the-scenes glimpse at how the family ‘Jungkook-ified’ Andrew by drawing the pop star’s famously known hand tattoos and suggesting that he needed a lip ring as well. For his final look, Andrew also showed up with Jungkook’s eyebrow and ear piercings. 

Fans react to the winner being crowned for the lookalike contest

While some instantly approved the decision with comments like “Andrew is actually the ONLY one who looked like jungkook, the others literally have no similarity at all,” others who probably never tracked the siblings’ years-old digital footprints were lost why this win was especially gaining momentous traction online.

“If Andrew didn’t win, I would have hosted another one to make sure he won,” someone else wrote in the comments. Others quipped along the lines of how Jungkook had returned from the military and “Kinda crazy how they let Jungkook win his own lookalike competition.”

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Those familiar with Andrew’s journey, definitely agreed with how the contest “cooked” with its final decision, especially since “the lore runs deep.” Who could’ve known that this was years in the making at a time when lookalike contests weren’t a norm?

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