A spaceship on exploration above the standard of livingA spaceship on exploration above the standard of living
The asteroid belt consists of small and large meteorite fragmentsThe asteroid belt consists of small and large meteorite fragments
The art of the geometric figure. an unusual look at the annotationThe art of the geometric figure. An unusual look at the annotation
Infantryman starcraft on the background of an explosionInfantryman starcraft on the background of an explosion
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. ).