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Twin Falls, Idaho, US Herschel Space Observatory: 2009 Earth–Sun L2 point: Hidden Valley Observatory: 1960s Rapid City, South Dakota, US Hida Observatory, Kyoto University [5] 1968 Takayama, Gifu, Japan Heyden Observatory, Georgetown University: 1844 Washington, D.C., US High Altitude Water Cherenkov Observatory: 2015 Sierra Negra, Puebla, Mexico
This list of space telescopes (astronomical space observatories) is grouped by major frequency ranges: gamma ray, x-ray, ultraviolet, visible, infrared, microwave, and radio. Telescopes that work in multiple frequency bands are included in all of the appropriate sections.
Name/Observatory Location Lens diameter Focal length Built Comments Image Yerkes Observatory [6]: Williams Bay, Wisconsin, USA: 102 cm (40") 19.4 m (62′) 1897
Astronomical observatories in the United States by state (48 C) Astronomical observatories in Washington, D.C. (1 C, 4 P) Astronomical observatories in Puerto Rico (2 P)
It was the tallest observation tower in the United States from 1968 until 1996. 3 Gateway Arch: 192 m (630 ft) 1965 Steel St. Louis, Missouri: Both the width and height of the arch are 630 feet (192 m). The arch is the tallest memorial in the United States and the tallest stainless steel monument in the world. 4 Space Needle: 184 m (605 ft ...
The year 2025 promises to be packed with space exploration, including robotic expeditions to the moon, a new observatory and a rendezvous with an asteroid.
Category: Astronomical observatories in the United States by state. 6 languages.
This list contains proposals for space telescopes, space-based (situated in space) astronomical observatories. It is a list of past and present space observatory plans, concepts, and proposals. For observatories in orbit, see list of space telescopes. Unlike that list, this one includes concepts and proposals that are unlikely ever to be ...