Sol Four, Man is Unable to Defeat the Universe

The color in Tang Yue's face drained as cold sweat rolled down his cheeks.

The RD-0172 engine that the Eagle's payload capsule came equipped with was a small rocket. It was used as a safety escape system during the launch or used to change the command module's trajectory. The thrust it produced and the time it remained online were rather limited.

Under normal circumstances, RD-0172 rockets definitely had enough propellant because the lander's ascent into orbit was an intricate task. It needed a suitable launch window to be selected, Earth's control center's specially tailored plans, Kunlun Station and the space station providing remote guidance, as well as the adjustments and control provided by the astronaut on the lander.