章 1254: Chapter 604 Zhao Yi: The Space Cover is a Black Hole!_2

"The most challenging part is still the propulsion because the thruster needs to return to the ground, which requires reserving a portion of energy."

"The space station orbits the Earth at a speed of twenty-eight thousand kilometers per hour, and it takes a day for the thruster to return to Earth. The plan is for it to orbit the Earth seven times to slow down sufficiently to approach the ground."

"Because of the composition of the air, the material strength of the thruster's outer skin presents a significant challenge."

"Previously, we planned to keep the core and replace the exterior devices after the thruster completed its mission. Now, we are considering using a new type of high-strength compressed material to construct the outer skin."

The person in charge introduced many things, but the only thing he didn't introduce was the principle behind the arrangement of high-energy beams, in fact, he didn't understand it at all.