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In a significant breakthrough, researchers at the Physical Research Laboratory (PRL) have identified the Shiv Shakti point Chandrayaan-3’s historic landing site as a key area for investigating the Moon’s ancient interior. The findings suggest that this location could yield critical insights into the early geological development of Earth’s only natural satellite.
Significance Of Shiv Shakti Point
Located in the southern highlands of the Moon’s nearside, the Shiv Shakti point marks India’s first successful lunar landing on August 23, 2023. This site is now believed to contain fragments of the Moon’s original mantle, offering scientists a rare opportunity to study its primordial composition.
Role Of Alpha Particle X-ray Spectrometer (APXS)
Key data was gathered using the Alpha Particle X-ray Spectrometer (APXS), an instrument mounted on the Pragyan rover. APXS is designed to analyze the chemical makeup of lunar soil and rocks by bombarding them with alpha particles and detecting the resulting X-ray emissions. This method allows for precise elemental identification directly on the Moon’s surface.
Notable Elemental Observations
Analysis at the site revealed unusually high levels of sulfur and comparatively low levels of sodium and potassium. These results differ markedly from data gathered during earlier lunar missions. The elevated sulfur content suggests the presence of ancient mantle materials, while the reduced potassium and sodium levels point to the absence of KREEP elements, which are typically associated with the Moon’s younger crust.
Scientific Implications
The unique elemental profile of the Shiv Shakti point hints at a distinct geological history, potentially involving a mix of primitive materials from deep within the Moon and those from surface processes. These findings also suggest that this region was not influenced by the KREEP-rich volcanic activity linked with the South Pole–Aitken basin.
Path Ahead For Lunar Research
This discovery could guide future lunar missions targeting sample return and more in-depth analysis. Understanding the composition of the Moon’s early mantle is crucial for piecing together the broader story of planetary evolution across the solar system. Continued studies are expected to refine our understanding of the Moon’s interior and its formation history.
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