V-2 ballistic missile (1944)
V-2 ballistic missile (1944)
The German liquid-propellant rocket, developed during WWII, was the first known man-made object to reach space.
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The German liquid-propellant rocket, developed during WWII, was the first known man-made object to reach space.
Lớp 1 – 12
Từ khoá
mozaLink
/Weblink