McMath-Pierce Solar Telescope

McMath-Pierce Solar Telescope

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Caption: McMath-Pierce Solar Telescope at the Kitt Peak National Observatory in Arizona, USA. This is the world's largest solar telescope. Its 2.1 metre Sun-tracking mirror (heliostat) is at the top of a 30 metre tower (right). The heliostat tracks the Sun and reflects its light down a 152 metre long diagonal optical tunnel. Deep underground is a 1.5 metre focus mirror, which reflects the light half way back up the tunnel to a further mirror that directs the light down into an underground observing room. The projected image of the Sun allows studies to be made on its composition and activity.

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Keywords: america, american, arizona, astronomical, astronomy, astrophysics, kitt peak national observatory, kpno, mcmath, mcmath-pierce, solar telescope, sun research, united states, us, usa

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