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View of the planet. space objects and bodies

View of the planet. Space objects and bodies

Creative astronomy, star art image

Curved glowing colored lines on a black background

Transparent balls on a purple background

Explosion of a supernova star in the andromeda galaxy

Explosion of a supernova star in the Andromeda galaxy

The secret of the deadly battle portal combat

A black hole is a region of space-time

Batman vs superman dawn of justice

Batman vs Superman Dawn of Justice

Two planets on the background of the milky way

TWO PLANETS ON THE BACKGROUND OF THE MILKY WAY

The big planet at sunset

Windows operating system logo

Windows Operating System logo

There are many stairs inside the space box

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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. ).