What is the future of commercial space travel and spaceflight?

[视频作者] 凤城远

[视频时长] 3:43

[视频类型] 科学科普

https://youtu.be/YEiOoB4mDPw Rocket engines are incredibly complex machines, pushing the boundaries of material science and human ingenuity. And there’s a wide range of ways you can actually power a rocket engine and make it work. They can be super simp