Science wallpaper on telephone / page 47

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The mysteries of astronomy in the constellations of the galaxy

The nebula is beautiful in intergalactic space

Cosmic image of saturn surrounded by satellites

Cosmic image of Saturn surrounded by satellites

Cosmic landscape and silver stars

Photo of the full moon

A distant galaxy in an infinite universe

The reverse side of the moon. view from space

The reverse side of the moon. View from space

A bright line on a colored background

Moon and black birds in the night

The image of a picturesque face of a frightening nature

A planet in the solar system. space

A planet in the solar system. Space

Pacific frontier huntsman on guard

Pacific Frontier huntsman on guard

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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. ).