The summary of lectures on the course of physics of near-Earth space discusses the issues of solar-Earth relations, the Earth's magnetosphere, cosmic rays. The issues of satellite information processing are briefly discussed. The lecture summary is intended for undergraduates studying under the master's program "Space Information Systems and Nanosatellites. Navigation and remote sensing" in the direction 010900.68 "Applied mathematics and physics." The lecture notes were developed at the intercollegiate department of space research.