Gravitational trajectory adopted by Apollo-11 program to reach the Moon is named after a self-educated Ukrainian who made calculations 50 years before the lunar flight

“Yuri Kondratyuk was a self-educated mechanic who, 50 years before lunar flights, foresaw ways of reaching the moon, calculating the best means of achieving a lunar landing. His theory of the gravitational slingshot trajectory to accelerate a spacecraft, known today as the “Kondratyuk Route” (Doodle)

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