Chandrayaan-2 Records First-Ever Observation of Sun's Impact on Moon's Exosphere

Brief by Shorts91 Newsdesk / 04:36am on 19 Oct 2025,Sunday Science

India's Chandrayaan-2 mission has achieved a significant milestone by making the first-ever observation of the Sun's Coronal Mass Ejection (CME) effects on the Moon. Utilizing its onboard instrument, Chadrayan's Atmospheric Compositional Explorer-2 (CHACE-2), the orbiter detected a substantial increase in the total pressure of the lunar exosphere during a CME event on May 10, 2024. This enhancement, over an order of magnitude, aligns with theoretical models and provides critical insights into the Moon's fragile atmosphere and the broader impacts of space weather. These findings are pivotal for future lunar exploration and base construction.

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