Four days after launching on its third-ever mission, China's mysterious Shenlong robotic space plane has apparently deployed 6 unknown objects in orbit. Some of them appear to be emitting signals.
In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic. By convention, we say that above the plane is where the planets are seen to ...
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The National Aerospace Plane, how Reagan’s Orient Express sought single-stage access to orbit
In the aftermath of Challenger, the US revived a decades-old dream of a single-stage-to-orbit spaceplane powered by scramjets and advanced materials. The National Aerospace Plane promised routine ...
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