Satellites trace a triangle above Gemini North Telescope photo of the day for July 1, 2025

The Gemini North Telescope, one half of the International Gemini Observatory, studies the skies above Maunakea, a mountain in Hawai’i. Its twin, the Gemini South Telescope, is based in the Chilean Andes at Cerro Pachón.

What is it?

According to NOIRLab, both Gemini Telescopes have four imagers and spectrographs that view in both optical and infrared wavelengths simultaneously, which are mounted on the back of the telescopes. These instruments work in sync with the telescopes’ guidance systems in order to be able to look deep into the universe.

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