Science wallpaper on telephone / page 30

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Iron spider robot with red details

Iron spider Robot with red details

Cosmic phenomenon ring of fire

Cosmic phenomenon ring of Fire

Astronomy in celestial objects on the moon

The bewitching intergalactic space astronomy

Hearts with sequins on a blurry background

An astronaut in space on the background of a blue planet

Abstraction. graphics. drawing. space

Abstraction. Graphics. Drawing. Space

Silver sculpture of an elf with red eyes

Silver sculpture of an Elf with red eyes

A parade of planets in the starry sky

A PARADE OF PLANETS IN THE STARRY SKY

Moon on a black background

The wonders of nature. it also happens

The wonders of nature. It also happens

Spectacular photo with blurring of details

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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. ).