The Rocket into Planetary Space
β Hermann Oberth
π Library
π
2014
π De Gruyter Oldenbourg
π English
<p>For all being interested in astronautics, this translation of Hermann Oberthβs classic work is a truly historic event. Readers will be impressed with this extraordinary pioneer and his incredible achievement. In a relatively short work of 1923, Hermann Oberth laid down the mathematical laws gover