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During October 2025, what first-ever scientific observation was made by ISROтАЩs Chandrayaan-2 orbiter?
The effects of Coronal Mass Ejections from the Sun on the Moon
The presence of subsurface water deposits under the lunar surface
The discovery of a newly identified mineral present on the Moon
The detection of volcanic activity occurring beneath the lunar crust
The effects of Coronal Mass Ejections from the Sun on the Moon
In October 2025, ISROтАЩs Chandrayaan-2 orbiter made a historic scientific observation by capturing data on how Coronal Mass Ejections (CMEs) from the Sun interact with the Moon's surface. This observation provided significant insights into the impact of solar flares and energetic particles on celestial bodies that lack a substantial global magnetic field.
In October 2025, ISROтАЩs Chandrayaan-2 orbiter made a historic scientific observation by capturing data on how Coronal Mass Ejections (CMEs) from the Sun interact with the Moon's surface. This observation provided significant insights into the impact of solar flares and energetic particles on celestial bodies that lack a substantial global magnetic field.
The SunтАЩs atmosphere consists of the photosphere, chromosphere, and corona; CMEs are massive bursts of solar wind and magnetic fields rising above the solar corona that affect space weather in the inner solar system.
Chandrayaan-2 was launched on July 22, 2019, by the GSLV Mk III-M1 rocket.
The Large Area Soft X-ray Spectrometer (CLASS) payload on the orbiter is capable of detecting solar X-ray flares.
CMEs can cause increased radiation levels, impacting lunar exploration missions and electronic equipment on satellites.
The Moon is subjected to harsh space weather because it lacks an intrinsic protective global magnetic field, unlike Earth.
Data collected helps scientists understand lunar weathering and the potential hazards for future human-crewed missions to the Moon.
Option B is incorrect because subsurface water was already detected by earlier missions like Chandrayaan-1 and various international probes.
Option D is incorrect as the Moon is considered geologically inactive with no current volcanism detected beneath its crust.
A is correct тАФ The Chandrayaan-2 orbiter successfully observed and recorded the impact of Coronal Mass Ejections from the Sun on the lunar surface during October 2025.
When studying Space Science, always relate the mission's payload capabilities (like CLASS or RAMBHA on Chandrayaan-2) to the specific physical phenomenon they are designed to measure to answer 'application-based' questions.
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