- Haystack Observatory
Haystack Observatory is a group of astronomical observatories owned and operated by
Massachusetts Institute of Technology . It is located in Westford,Massachusetts (USA). It is the home of theMillstone Hill Observatory .It has a 120ft (37m), 171-tonne
radio telescope , contained within what was the largest metal-frameradome . It was constructed for use in space tracking and communication in 1964. In addition, Millstone Hill is the location for two of the most well-knownincoherent scatter radars in the world. These include a fully-steerable 46 meter antenna, and a 67 meter fixed zenith antenna. These radars are capable of measuring a vast array of ionospheric components, including temperature, ion concentrations, and solar wind data. Data from Millstone Hill is publicly available on the MADRIGAL database, an upper atmosphere data system managed by MIT Haystack.Haystack Vallis on Mercury is named after this observatory.See also
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List of observatories
*geolinks-US-streetscale|42.618557|-71.491417References
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