An STS-125 crew member onboard the space shuttle Atlantis snaps a still photo of the Hubble Space Telescope following grapple of the giant observatory by the shuttle. Johnson Space Center/NASA hide caption
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One of the 54 steerable dishes that make up much of the Atacama Large Millimeter Array in Chile's Atacama Desert. This one is 39 feet in diameter. Kathy Hudson/Hudson Works hide caption
The Dunn Solar Telescope in Sunspot, N.M. The site was closed for over a week after a security threat. NSO/AURA/NSF hide caption