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As Vikram descended and subsequently touched down on the lunar surface, it triggered the activation of its descent stage thrusters which resulted in the ejection of a substantial amount of lunar surficial epi-regolith (the top surface of the lunar soil or regolith) material, creating what scientists are now calling a “reflectance anomaly” or an ‘ejecta halo.
India News: The Vikram lander of Chandrayaan-3 created a "reflectance anomaly" or "ejecta halo" when it touched down on the Moon's surface on August 23. Scientist
The space agency further added that the lander displaced over an area of 108.4 m2 around the landing site.
Get latest articles and stories on India at LatestLY. ISRO also shared a link to the document with details on X, and noted, "On August 23, 2023, as it descended, the Chandrayaan-3 Lander Module generated a spectacular 'ejecta halo' of lunar material. Scientists from NRSC/ISRO estimate that about 2.06 tonnes of lunar epi regolith were ejected and displaced over an area of 108.4 m2 around the landing site." India News | Chandrayaan-3 Lander Ejected 2.06 Tonnes of Lunar Epi Regolith, Generates Spectacular 'Ejecta Halo': ISRO.
Chandrayaan 3 Update: According to the ISRO, scientists estimated that around 2.06 tonnes of lunar epi-regolith or material were ejected during the landing event — resulting in the formation of an 'ejecta halo' . Here's what the event signifies.