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NASA's giant Webb Telescope survived a micrometeoroid hit like a champ
Science

NASA's giant Webb Telescope survived a micrometeoroid hit like a champ

New parents find every little bump and bruise concerning their child distressing, making it the stuff of headlines.In that regard, I am obliged to inform you that the James Webb Space Telescope had a tiny scrape, but it is in pretty good shape otherwise.

The five-month-old telescope got some small boo-boos between May 23 and 25, when a micrometeoroid impacted a primary mirror segment. 

James Webb Telescope's primary mirror is comprised of 18 gold-plated hexagonal panels, which measure over 21 feet in diameter and are composed of 18 gold-plated hexagonal panels.

Despite these challenges, the Webb telescope was a very brave space instrument and did not cry at all. The impact on Webb has been evaluated by NASA, and, although further analysis is underway, it appears to have little impact on its performance.

NASA wrote that 'despite a marginally detectable effect in the data, the telescopes are still performing at a level that exceeds all mission requirements.'

The Webb telescope isn't the first time it has been scraped. At least four smaller micrometeoroid strikes have occurred since Dec. 25 last year, the date the telescope was launched. 

NASA took such incidents into account when designing the James Webb telescope and ensured there would be a margin for degradation during its construction.

However, this latest impact was a bit larger than that estimated before launch by the NASA space agency, so there was a bit more uncertainty this time.

NASA's Paul Geithner said, 'We knew Webb would need to weather the harsh space environment, including the sun's ultraviolet light, cosmic rays from other galaxies, and micrometeoroids in our solar system,' he said.

During Webb's design and construction, we built in margins for optical, thermal, electrical, and mechanical performance, so that even after many years in space, it can accomplish its ambitious science mission.'

As a big boy who can stand up all by himself, the Webb telescope is also able to mitigate degradation caused by such an impact by adjusting its mirror positions.

NASA engineers are working on further ways to minimize damage from future impacts of the size of the micrometeoroid after this recent impact has been made to its mirrors. It's all better with a big kiss.

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