Where did George Biddell Airy establish the prime meridian?
Greenwich
Paris
Berlin
New York
Answer
Greenwich was designated as the prime meridian by George Biddell Airy in 1851. This decision was driven by the widespread use of British nautical charts and the need for a standardized reference point for longitude measurements. The Royal Observatory in Greenwich became the central point for determining longitude, and the meridian passing through it was established as the zero point for longitude.
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