ISRO Missions and Discoveries

Chandrayaan-5 (LUPEX Mission) enters Preliminary Design Phase

Why in the News?

India and Japan have begun the preliminary design phase of the Chandrayaan-5 mission, also known as LUPEX (Lunar Polar Exploration).

Back2Basics: Legacy of Chandrayaan Missions

  • Chandrayaan-1 (2008): First mission, focused on mineral and chemical mapping.
  • Chandrayaan-2 (2019): Orbiter mission with 98% success.
  • Chandrayaan-3 (2023): Achieved a historic soft landing on the Moon’s south pole.
  • Chandrayaan-4 (Upcoming, 2027):
    • It is a planned lunar sample return mission by ISRO, expected to launch around 2027, with the landing site near Statio Shiv Shakti at the lunar south pole.
    • The mission involves five modules launched on two LVM-3 rockets, later docked in Earth orbit to form an integrated spacecraft.
    • A robotic arm and drill will collect 2–3 kg of surface and sub-surface lunar samples for return to Earth.
    • The Re-entry Module (RM) will re-enter Earth’s atmosphere with the samples using ballistic re-entry, marking India’s first attempt at sample return.
  • Chandrayaan-5 / LUPEX: Aimed at deeper exploration with global participation.
  • Manned Lunar Mission: Prospected lunar landing by 2040.

About Chandrayaan-5/LUPEX Mission:

  • It is a collaborative mission between ISRO and JAXA.
  • Approval: Cabinet approval for the mission was granted on March 10, 2025.
  • Launch: It will carry a 6.5-tonne payload and launch aboard Japan’s H3 rocket in 2027–28.
  • Collaboration: The lander is being developed by ISRO and the 350-kg rover by JAXA.
  • Duration: The mission is expected to last 100 days, with a possible extension of one year.
  • Mission Goals and Objectives:
    • Explore water and regolith in the lunar south pole’s Permanently Shadowed Regions (PSRs).
    • Drill into the Moon’s surface, analyse soil samples, and perform in-situ experiments.
    • Assess water content, quality, and analyse surface volatiles using advanced instrumentation.
    • Exploration of the far side of the Moon.

Scientific Collaboration and Instruments:

  • A total of 7 scientific instruments will be onboard the mission.
  • ISRO’s Contribution: Development of the lander; creation of one sensor in a major four-sensor instrument.
  • JAXA’s Contribution: Development of the rover and three sensors in the same instrument; Rover is designed to climb 25° inclines and operate on a complex battery charging protocol.
  • ESA (European Space Agency): Developing a mass spectrometer.
  • NASA: Contributing neutron spectrometers.
[UPSC 2009] In the context of space technology, what is Bhuvan, recently in the news?

Options: (a) A mini satellite launched by ISRO for promoting the distance education in India (b) The name given to the next Moon Impact Probe, for Chandrayaan-II (c) A geoportal of ISRO with 3D imaging capabilities of India* (d) A space telescope developed by India

 

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