DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
Swedish Solar Telescope. Astronomer stands by the turret of the Swedish Solar Telescope at the Roque de los Muchachos observatory on La Palma in the Canary Islands. The turret of this 0. Telescopes are located in tall buildings so that they are above the heat haze which lies near the ground. The Roque de los Muchachos observatory is an ideal site for telescopes because its high altitude (about 2300 metres), and the clear air above it, minimise atmospheric distortions to incoming light. This telescope is operated by the Royal Swedish Academy of Sciences (KVA).
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