Science wallpaper on telephone in the section Humor and satire / page 53

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Wallpaper Search science in the section Humor and satire

Landscape of the planet with smoke and wood

Two people in the dark

A computer game similar to riddick

A computer game similar to Riddick

Games with good quality weapons

Spherical planets blue and red

A catastrophe planet in space

Two planets on the background of the milky way

TWO PLANETS ON THE BACKGROUND OF THE MILKY WAY

Purple nebulae in stellar space

A space satellite near the planet earth

A beautiful planet with an unusual reflection

Planet earth on a black background

Planet Earth on a black background

Blue planet on a black background

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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. ).