Photo of a spacecraft from space against the background of the northern lightsPhoto of a spacecraft from space against the background of the Northern lights
A satellite above the surface of a celestial body. view from spaceA satellite above the surface of a celestial body. View from space
Image from the game a man in uniform with a weaponImage from the game a man in uniform with a weapon
Система знаний о закономерностях в развитии природы, общества и мышления, а также отдельная отрасль таких знаний. То, что поучает, даёт опыт, урок (в 4 знач.; разг. ).