Telescope Comparison
![Telescope Comparison](https://public.nrao.edu/wp-content/uploads/2013/09/gallery-images-largeTelescope_Comparison_ft_large.jpg)
Sited at 16,500 ft above sea level, ALMA is the highest array of telescopes in the world. This diagram compares the major observatory elevations.
Credit: J. Hellerman, NRAO/AUI/NSF
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