Russian Cosmonauts Successfully Conduct 6-Hour Spacewalk to Install Solar Telescope on ISS
Russian cosmonauts install sun-watching telescope on ISS during 6-hour spacewalk

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On May 27, Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev completed a 6-hour spacewalk to install the Solntse-Teragerts telescope on the International Space Station. This telescope aims to enhance understanding of solar flares and is expected to operate until 2028.
- 01The spacewalk lasted 6 hours and 5 minutes, from 10:18 a.m. to 4:23 p.m. EDT.
- 02The Solntse-Teragerts telescope will observe solar flares to improve prediction models.
- 03The cosmonauts faced challenges retrieving a cassette from the Nauka module but successfully completed all tasks.
- 04This EVA marked the first for Sergei Mikaev and the second for Sergey Kud-Sverchkov.
- 05The spacewalk was the 279th conducted for the International Space Station since 1998.
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On May 27, Russian cosmonauts Sergey Kud-Sverchkov (commander of Expedition 74) and Sergei Mikaev conducted a successful spacewalk lasting 6 hours and 5 minutes outside the International Space Station (ISS). During this extravehicular activity (EVA), they installed the Solntse-Teragerts telescope on the Zvezda service module, which is designed to observe solar flares and enhance scientific understanding of solar activity. The telescope is expected to operate until 2028. The cosmonauts also faced challenges while retrieving a cassette containing semiconducting material from the Nauka module, including losing tools and communication issues. Despite these difficulties, they managed to collect the sample. The EVA was also a moment of celebration, as they recognized the 80th anniversary of RKK Energia, Roscosmos' design bureau. This spacewalk was significant as it was the first for Mikaev and added to Kud-Sverchkov's total of 12 hours and 11 minutes in space. Overall, all planned activities were successfully completed, marking another milestone in ISS operations.
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