= International Earth Rotation and Reference Systems Service
{wiki=International_Earth_Rotation_and_Reference_Systems_Service}
The International Earth Rotation and Reference Systems Service (IERS) is an international organization that plays a key role in the field of geodesy, astronomy, and Earth rotation. Established in 1987, its primary mission is to monitor the Earth's rotation, maintain and disseminate reference systems, and provide accurate data and standards for global positioning systems.
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