The status of the Greenwich Observatory as the zero point for global science was cemented by the official adoption of the Prime Meridian in which year?

Answer

1884

The Greenwich Meridian was officially adopted as 0° Longitude at the International Meridian Conference in 1884, standardizing global time and location indispensable for modern science.

The status of the Greenwich Observatory as the zero point for global science was cemented by the official adoption of the Prime Meridian in which year?

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