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Melting pink heart in a rainbow frame

A collage of different planets is glowing

View of our planet from space

3d graphics and a black hole

A team of adults with one team

With a computer, you can make any fountains

Cosmic beauties of the distant universe

A big tree is swaying in the wind

Air transport with a photographer recording what is happening in the air

Close the planet art

Close the Planet art

A planet from outer space. a copy of the globe

A planet from outer space. A copy of the globe

The beauty of the cosmos. the vast galaxy

The beauty of the cosmos. The vast galaxy

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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. ).