BENGALURU: The Chandrayaan-3 rover Pragyan, whose rear wheels are embossed with the Indian national emblem and the Isro logo on the lunar soil, has been unable to leave a “clear” imprint of the two, which is a good sign as it gives a new understanding of the properties of the lunar soil in the south pole region. New information about the soil in the south pole region, which is a target for multiple...