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NASA astronaut captures rare lightning that actually shoots toward space
As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...
IEEE2d
Flowfield and Dynamic Contact Computation of Thrust Vector Control System in a Certain Solid Propellant Rocket Motor - IEEE Xplore
Aiming at the difficult problem to calculate and the joint's inner force of certain type solid propellant rocket motor's thrust vector control (TVC)system, which working condition are hard to control ...
Space.com3d
ISS astronaut captures a rare phenomenon from orbit — a giant 'sprite' above a thunderstorm
U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...