He has been observing the sky for half a century, allowing him to see what happened billions of years ago.

The BTA telescope, equipped with a six-meter mirror, operates in the mountains of Karachay — Cherkessia. With its help, scientists can not only study celestial bodies but also look into the universe’s past.

You can see how the Large Altazimuth Telescope works in our video and in the film 'Giant Telescopes of the Caucasus' from the project 'Inland Visions'.

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