TNPSC Thervupettagam
October 25 , 2025 5 days 113 0
  • NASA’s PUNCH mission (2025) revealed solar wind dynamics.
  • PUNCH stands for Polarimeter to Unify the Corona and Heliosphere.
  • It studies the solar corona and solar wind as a single, connected system.
  • The mission captures detailed images of solar wind, making invisible phenomena visible.
  • Solar wind consists of charged particles emitted from the Sun’s outer atmosphere.
  • PUNCH operates during the ongoing solar maximum, a phase of high solar activity.
  • This phase includes increased sunspots, solar flares, and coronal mass ejections.
  • The mission helps improve forecasting of space weather and its effects on Earth.
  • Solar storms can disrupt satellites, GPS, power grids, and communication systems.

 

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