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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
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NASA astronauts complete 6-hour, 27-minute spacewalk on ISS

GS3Economy · S&T · Environment · Security· Space technology (ISRO, missions)· Prelims·

Why in news

NASA astronauts completed a significant spacewalk on the ISS to install hardware for next-generation solar arrays, highlighting advancements in orbital infrastructure.

Background

Astronauts Anil Menon and Jessica Meir conducted a 6-hour, 27-minute spacewalk on the International Space Station (ISS). They installed mounting hardware for Integrated Roll-Out Solar Arrays (IROSA) to enhance power supply and support station deorbiting.

Facts for Prelims

  • S&TIROSA: Integrated Roll-Out Solar Arrays are designed to provide more power to the ISS than traditional solar arrays.
  • S&TISS: A modular space station in low Earth orbit where multiple nations collaborate on scientific research.
  • FactThe spacewalk lasted 6 hours and 27 minutes, occurring during Expedition 75.

For Mains

Q. Discuss the significance of international cooperation in space exploration and the technological challenges associated with maintaining long-term orbital infrastructure.

Dimensions to cover in your answer

  • technological hurdles of orbital maintenance
  • international collaboration models
  • sustainability of space assets

Keywords: orbital infrastructure · space exploration · technological advancement · international cooperation

Read the full news →Report a mistake in this noteSource: NDTV ↗

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