Hidden place · Gaithersburg, United States
Gaithersburg Latitude Observatory
The observatory is Gaithersburg’s only National Historic Landmark. It was part of an international project that measured the Earth’s wobble on its polar axis…
Hidden place · Gaithersburg, United States
The observatory is Gaithersburg’s only National Historic Landmark. It was part of an international project that measured the Earth’s wobble on its polar axis…
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