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Chandrayaan-2 Tracks Solar Impact
October 24 , 2025
16 hrs 0 min
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- Chandrayaan-2 payload makes first-ever direct observation of the Sun’s coronal mass ejection impact on the Moon.
- The observation was made by the Chandra’s Atmospheric Composition Explorer-2 (CHACE-2) payload aboard Chandrayaan-2’s lunar orbiter.
- A series of coronal mass ejections from the Sun impacted the Moon.
- CHACE-2 detected an increase of more than ten times in the total number density of the dayside lunar exosphere.
- The increase was caused by solar particles knocking atoms off the lunar surface, raising the pressure in the sunlit lunar exosphere.
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