Science wallpaper on telephone / page 39

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A lonely traveler on the background of the moonlit sky

A lonely traveler on the background of the moonlit sky

A lonely traveler on the background of the moonlit sky

Futuristic picture of spider-man on the background of the city

Futuristic picture of spider-man on the background of the city

Futuristic picture of spider-man on the background of the city

Beautiful planet blue sky

Beautiful planet blue sky

Beautiful planet blue sky

Exploration into an unexplored galaxy in space

Exploration into an unexplored galaxy in space

Exploration into an unexplored galaxy in space

Image of a man looking at the moon in a black sky

Image of a man looking at the moon in a black sky

Image of a man looking at the moon in a black sky

The shining of stars in galactic space

The shining of stars in galactic space

The shining of stars in galactic space

Planets in the galaxy. Dark background

Planets in the galaxy. dark background

Planets in the galaxy. Dark background

Far far away galaxy and stars

Far far away galaxy and stars

Far far away galaxy and stars

Full moon on a black background

Full moon on a black background

Full moon on a black background

A picture of Metamorphosis with a falling tile

A picture of metamorphosis with a falling tile

A picture of Metamorphosis with a falling tile

Electric charge from the button in different directions

Electric charge from the button in different directions

Electric charge from the button in different directions

A burning symbol on a black background

A burning symbol on a black background

A burning symbol 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. ).