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Most complicated challenge in space begins, unfolding $10 bn James Webb Telescope

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Most complicated challenge in space begins, unfolding  bn James Webb Telescope

On the second day after the James Webb telescope passed the height of the moon, the engineers embarked on the most challenging task of the future-deploying the sun visor. As the observatory begins operation at the end of January, the five-layer shield will protect the equipment on the telescope from the heat generated by the sun, moon, and earth.

The mission was successfully deployed. The front and rear consisted of five protective covers about the size of three tennis courts. They were made of very thin Kapton material, about one to two thousandths of an inch thick, and only included 140 release mechanisms, 70 hinge components, 8 deployment motors, bearings, springs, gears, 400 pulleys, and a total length of 1,312 feet of cables. All of these must work perfectly to deploy the shield.

The engineers stated that for deployment, the 107 sunshade release mechanisms need to be fired according to the prompts to fully open the sunshade. That is 107.

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“The unfolding of the pallet marks the beginning of the deployment of Weber’s main structures and the beginning of the sun visor deployment phase, which will last at least until this Sunday,” NASA said. Among them are Weber’s most unpredictable and complex tray structure component: sun visor. The tray contains five carefully folded sunshade films, as well as the cables, pulleys and release mechanisms that make up the Webb sunshade.

NASA updated in its blog that although the actual movement of lowering the front pallet from the resting position to the unfolded position took only 20 minutes, and the lowering of the rear pallet took only 18 minutes, the entire process required several Hours, because dozens of additional steps are required.

“Deploying these structures includes closely monitoring the temperature, manipulating the observatory to provide the optimal temperature, turning on the heater to heat key components, activating the release mechanism, configuring the electronics and software, and finally locking the tray in place,” NASA said.

Complete News Source : INDIATODAY

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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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