Axiom-4 Mission Postponed

Context

The release of the Axiom-4 project has been postponed again due to technical issue with SpaceX’s Falcon 9 rocket. 

Key Highlights

• Falcon 9  is a reusable, two-stage rocket designed and synthetic by SpaceX for the reliable and secure transport of people and payloads into Earth orbit and beyond. 
• The Axiom-4 (Ax-4) challenge will spend 14 to 21 days on the ISS, undertaking over 60 experiments in collaboration with 31 countries, masking fields like bioscientific research, Earth remark, and materials technological knowledge. 
• Some experiments contain ISRO, imparting India key insights for its upcoming Gaganyaan project, now predicted in 2027. 
• The Ax-4 group included individuals from India, Poland, and Hungary, marking every nation’s first venture to the space station in history and second government-backed human spaceflight venture in over 40 years.
• Shubhanshu Shukla could be India’s second national astronaut to visit space since 1984.
• The challenge highlights Axiom Space’s position in advancing global access to low-Earth orbit.

The International Space Station (ISS) 

• It was designed between 1984 and 1993, with construction of its components beginning in the 1980s throughout the United States, Canada, Japan, and Europe. 
• The ISS application unites international flight crews, various release motors, global operations and schooling centers, conversation networks, and the global scientific studies community.

Axiom’s Journey to ISS

• To attain the ISS, the venture has to launch in a cautiously calculated window that aligns the spacecraft’s trajectory with the ISS’s orbit. 
• After liftoff, Falcon 9’s first level separates and returns to Earth, while the second level keeps the ascent before liberating the Dragon tablet into orbit.
• The ISS, located about 400 km above Earth and moving at 28,000 kmph, demands the Dragon to step by step increase its orbit and regulate its path the use of 16 Draco thrusters via a chain of phasing maneuvers. 
• Unlike Russia’s faster Soyuz craft, Dragon generally takes about 28 hours to attain the ISS due to its more modern design and the need to conduct in-flight assessments. 
• As it nears the station, Dragon performs a very last maneuver, enters the 200-meter “maintain-out sphere,” and makes use of GPS, cameras, and Lidar for independent docking.
• Once docked, safety tests are completed over 1–2 hours before the astronauts can board the ISS.

Source: The Hindu

Prelims PYQ

Q. What is the purpose of the US Space Agency’s Themis Mission, which was recently in the news? (2008)

(a) To study the possibility of life on Mars

(b) To study the satellites of Saturn

(c) To study the colourful display of high-latitude skies

(d) To build a space laboratory to study the stellar explosions

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