essential
likely
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probably not
Front (prompt)
WGS 84 — key facts?
Plain English (default view) — short, conversational, lightly seasoned with science
🔬 Scientific / formula (revealed on click) — markdown + $$…$$ ok
- World Geodetic System 1984 — global coordinate/datum standard. - Reference surface: **spheroidal ellipsoid**. - **Origin: Earth's center of mass**, accurate to ~2 cm. - Used by GPS/GNSS and nearly all modern RS products.
💡 Mnemonic / memory aid (shown on hover)
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