Historical photographs

North Gemini Telescope. Learn from the experience

North Gemini Telescope. Learn from the experience

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June 1999. A huge new telescope has begun inspecting the northern skies. The 8-meter telescope, the Northern Gemini, whose photograph we can see above, has been opened in Hawaii. Two years later, the sister telescope, Gemini Sur, started from Chile, similar observations from the southern skies.

Gemini telescopes collect a huge amount of visible and infrared light. In the infrared, only one of the Gemini can solve objects that would appear blurry on the Hubble Space Telescope.

To achieve such a high degree of resolution, Gemini use adaptive optics, a technique that allows the main lens of both telescopes to flex smoothly, in order to counteract the blurring effects of terrestrial atmospheric turbulence.

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