Labels:text | screenshot | rocket OCR: EARLY ROCKETS RESEMBLING FIREWORKS, the first rockets were made about a thousand years ago NOT TO SCALE in China. Their design hardly changed until the 19th century, when rockets such as the Congreve rocket were used in battle. In 1903, a Russian scientist, Konstantin Tsiolkovsky, proposed that rockets using liquid propellants could reach space. Enthusiasts started to build such rockets during the 1920s. In 1926, an American scientist, Robert Goddard, achieved the first successful launch. During the 1930s, the German military took control of rocket groups and developed the V2 rocket. CHINESE 18TH CONGREVE TSIOLKOVSKY'S GODDARD c. 1100 CENTURY c. 1810 DESIGN c. 1915 c. 1937 ROCKET DEVELOPMENT For 900 years all rockets worked in the same way as fireworks. Only in the 20th century SEE BALLOON ...
