... 1965-1973 - academician Georgy Petrov (1912-1987), mathematician and physicist, one of the pioneers in the rocket engineering, along with Sergey Korolev and Mstislav Keldysh. ...
... found in both equatorial and high latitude ionosphere , lead to plasma instabilities that can be measured directly by electric field wave instruments carried by rockets, or by coherent radars as different kind of Doppler spectra (Kelley, 1989, pp ...
... Principle of rocket motion. 26 Ballistic pendulum . ... 26 Ballistic pendulum . De-Laval nozzle as a heat engine, rocket design. ... 27 Staging of rockets, its reasons. Proportion of fuel in a rocket's weight. ...
... 8) Acceleration of a rocket. (24) If light speed sets the limit, why fly into space? ... 47) Why do Rockets Spin? . (50) The Shapes of Rockets and Spacecraft . ... 50) The Shapes of Rockets and Spacecraft . (51) Space Debris . ...
... Further along, the story of Newton's apple is traced to its 17th century origins, Robert Goddard's development of the modern rocket is described, including the way he used a ballistic pendulum to measure rocket efficiency. ...
... rocket arrives at Earth, it will be overtaking it, since its velocity V 1 is exceeds the orbital velocity V 0 of Earth by about 3 km/s. Before safely descending to the ground, the spacecraft also must get rid of the velocity v 0 given to it by the pull of ...
... Principle of rocket motion. 26 Ballistic pendulum . ... 26 Ballistic pendulum . De-Laval nozzle as a heat engine, rocket design. ... 27 Staging of rockets, its reasons. Proportion of fuel in a rocket's weight. ...