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ISRO Begins Countdown for Launch of XPoSat Mission.

Science & Technology | Dated: 30 Dec 2025

The Indian Space Research Organisation (ISRO) has commenced the 25-hour countdown for the launch of its X-ray Polarimeter Satellite (XPoSat). The mission is scheduled to lift off aboard the PSLV-C58 rocket from the Satish Dhawan Space Centre in Sriharikota on January 1, 2026.

🎯 Key Highlights:

  • XPoSat will act as India's first dedicated scientific satellite to measure the polarization of X-rays from celestial sources like Black Holes.
  • The PSLV Orbital Experimental Module (POEM) will also carry 10 other payloads from startups and institutes.
  • This mission marks a major start to ISRO's packed calendar for 2026.

💡 Other Important Facts:

  • Mission: XPoSat.
  • Rocket: PSLV-C58.
  • Objective: X-ray Polarimetry.

📚 Test Your Knowledge:

Which satellite mission's countdown was recently initiated by ISRO to study X-ray polarization?

Correct Answer: XPoSat

🚀 Quick Recap:

About ISRO

  • Chairman – S. Somanath
  • Launch Site – Sriharikota