Chandrayaan-3: NASA's Lunar Reconnaissance Orbiter 'Pings' Oreo-Sized Device On Vikram Lander

NASA's LRO has pinged Vikram. The significance of the experiment is that it will pave the way towards precisely locating targets on the lunar surface. 

In a first on the Moon, a laser beam was transmitted and reflected between an orbiting spacecraft and a lander on the lunar surface. A laser beam was transmitted by NASA's Lunar Reconnaissance Orbiter (LRO) and reflected by an Oreo-sized device on Chandrayaan-3's Vikram lander.

Source : NASA

In a first on the Moon, a laser beam was transmitted and reflected between an orbiting spacecraft and a lander on the lunar surface. A laser beam was transmitted by NASA's Lunar Reconnaissance Orbiter (LRO) and reflected from an Oreo-sized device on Chandrayaan-3's Vikram lander. NASA's LRO, which has made a three-dimensional map of the Moon, has been orbiting the Moon since 2009, and Chandrayaan-3, launched by the Indian Space Research Organisation (ISRO), soft-landed on the Moon in August 23,