Solar Corona
In May 2026, scientists from Aryabhatta Research Institute of Observational Sciences (ARIES) and Indian Institute of Technology Delhi (IIT Delhi) developed a new technique to detect hidden turbulence in the Sun’s corona, helping explain why the corona is much hotter than the Sun’s surface.
Coronal Heating Problem
- One of the biggest unsolved mysteries in solar physics: Why the corona is far hotter than the Sun’s surface?
- Study focused on propagating transverse magnetohydrodynamic (MHD) waves.
What are MHD Waves?
- MHD waves are waves travelling through magnetised plasma in the Sun’s atmosphere. They are also called Alfvénic or kink waves.
- They cause magnetic structures ....
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