The Luna 21 lander with ramps deployed on both sides, to the northwest and to the southeast. Lunokhod 2 drove off the lander to the northwest and circled
Northern Mare Imbrium showing the location of the Luna 17 landing site and the final position of the Lunokhod 1 rover. LROC WAC image. [NASA/GSFC/ Arizona
English Luna 17, the intrepid lander that carried the Lunokhod 1 rover to the surface. determination method or standard: work of the federal government