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Pisgah Astronomical Research Institute
- Non-profit public foundation dedicated to providing research and educational access to optical and radio astronomy. Located in Rosman, North Carolina.
The Very Small Array (VSA)
- in Tenerife (Canary Islands). Designed to study fluctuations in the CosmicMicrowave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).