Some mysteries of geographical discoveries, I vol.: Navigators, travelers, and geographic maps of the Earth

Most of the popular science essays on the history of geographic discoveries in this book are sensational. The undeniable facts, hypotheses and reasoning are very interesting and designed for a wide audience of readers, especially students, historians and geographers. Scientists, explorers and those with a great interest in the history of geography, for them are revealed, some of the secrets of navigators and travelers, such as M. Polo, B. Dias, ibn Battuta, Vasco da Gama, etc. The study reveals new facts based on the historical and scientific activities of P. Toscanelli, al-Tusi, al-Idrisi, al-Biruni, ibn Khordadbeh and other European and Islamic scholars in the field of geographical discovery. It was thanks to the pioneering scientific research of the scholar from the Maragin Observatory that the discovery of America took place several centuries earlier. Unfortunately, many are unaware of this. In these essays and there is how America was discovered, P. Cabral did not discover Brazil, M. Polo did not visit China, how Ibn Majid helped Vasco da Gama to sail to India, the acquisition by the Portuguese navigation charts of the Arabs to conquer the Indian Ocean, the activities of Muslim and Christian scientists, cartographers, navigators.