The Earth's orbit

Despite the fact that year 2018 has recently begun, it has already been marked by a number of important events in Cosmonautics. Many important events also await us in the near future. Humanity is becoming more confident in exploring space, and Cosmonautics has long become an indispensable branch in people's lives.
This book will tell you about how humanity has made its first steps in conquering outer space. About how the first rocket took off, how the first spacecraft sent its signal to Ear...