Facts for Prelims (FFP)
Source; TOI
Context: The Chandrayaan-3 rover, Pragyan, which has the Indian national emblem and the ISRO logo on its rear wheels, has been unable to leave a clear imprint of these symbols on the lunar soil.
- This inability to imprint the symbols has provided new insights into the properties of lunar soil in the South Pole region.
Features of Lunar Soil:
- It is not dusty but rather lumpy, indicating that something is binding the soil together.
- Lunar Soil is a thick layer of regolith, fragmental and unconsolidated rock material, that covers the entire lunar surface.
- Lunar soil contains no organic matter.
- This discovery could have significant implications for future missions targeting lunar habitation and sustained human presence, especially in the context of potential water discovery in the region.
The testing of emblem and logo imprints was conducted using a lunar soil simulant (LSS) created by ISRO Satellite Integration and Test Establishment (Isite).
