1.2 Status of Lunar Lander Technology Development Outside China
9
Rough deceleration phase of power descent
Fine deceleration phase of power descent
Ignition of main liquid
rocket engine to initiate the
second deceleration
Descent trajectory
Shutoff the main liquid
rocket engine to finish the
second deceleration
Vertical adjustment
Passive phase
Ignition of main liquid
rocket engine
Shutoff of main liquid
rocket engine
shutoff of small
thrusters
Ignition of small
thrusters
Landing on lunar surface
Ladder deployed
Lunar rover deployed
Auto operation of
lunar rover
Fig. 1.3
Landing process of Luna 16