. . "Queqiao" . . "Chang'e 4 Yutu-2 rover" . "Longjiang-1 and Longjiang-2" . "''Longjiang'' microsatellites" . . . . "Longjiang" . . . "first soft landing" . . . "Chang'e 4 lander" . . . . "Longjiang-2" . . . "''Queqiao'' relay satellite" . . . "Longjiang-1" . . "2018-05-20" . . . . . . "Queqiao 1" . . . . . "Chang%27e_4#Longjiang_microsatellites" . . . "2018-103A" . "7889400.0" . . . . . "Chang'e 4#Relay satellite" . "43845" . "Chang'e 4" . . . "2018-12-07" . "Chang'e 4" . . . "Chang'e 4 mission" . . . . . . "Chang'e_4" . . "3.15576E7" . . "Chang'e 4#Longjiang microsatellites" .