& Russia’s largest optical telescope BTA (Big Telescope side) on Thursday, ending months to upgrade the aluminum coating mirror, said deputy head of the Special Observatory of the Russian Academy of Sciences Valery Vlasyuk. LAQUO; mirror 6 meters in diameter and a weight of 42 tons dismantle, wash away the acid with the surface of a thin layer of aluminum one micron, and lead to a new one. As a result, the sensitivity of the telescope to increase by 10% ” – Paw cited Vlasyuk.
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