New Delhi: A series of Coronal Mass Ejections (CMEs) resulted in the strongest geomagnetic storm seen in two decades in May last year. The charged plasma clouds launched outwards from the Sun interacted with each other in interstellar space, having an impact on all the worlds across the Solar System. ISRO’s Aditya L1 and Chandrayaan spacecraft both observed the impact of the extreme space weather event, and now the study by ISRO scientists on the Chandrayaan 2 observations has been published in Geophysical Research Letters . The study is the first observational confirmation that solar outbursts inflates the exosphere or outer atmosphere of the Moon.

The Chandra’s Atmospheric Composition Explorer 2 (CHACE-2) instrument on board the Chandrayaan 2 orbiter showed an increase in the tot

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