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Home > All Images > 1998 > February > 13 Feb 1998

Images Dated 13th February 1998

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 8 pictures in our Images Dated 13th February 1998 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Top of the tower of the McMath Solar Telescope Featured 13 Feb 1998 Print

Top of the tower of the McMath Solar Telescope

McMath-Pierce telescope. Top of the tower of the McMath-Pierce solar telescope at the Kitt Peak observatory in Arizona, USA. This is the world's largest solar telescope. It has a 2.1-metre Sun- tracking mirror (heliostat, upper centre) at the top of a 30-metre tower. The mirror reflects sunlight down a 152-metre long diagonal optical tunnel. Deep underground is a 1.5 metre focus mirror; this reflects the light half way back up the tunnel to a further mirror which directs the light down into an underground observing room. The vertical bars seen here are a wind shield

© DAVID PARKER/SCIENCE PHOTO LIBRARY