Science wallpaper on telephone / page 19

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Two polar bears look at the moon

Windows zipper in dark color

Space travel through light years

Moon. the galaxy. blue. planets

Moon. The galaxy. Blue. Planets

Stylized skeleton of an adult

Galactic cosmic sky in bright colors

Fantasy picture fusion of water and flame energy

The hunger games and the flame will break out movie

The Hunger Games And the Flame will Break Out movie

Star wars fantasy planet

Star Wars Fantasy Planet

The moon and the sun - a fascinating cosmos

Silver ball with white vessels

Ancient sculptures in the fantasy style

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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. ).