essential
likely
maybe
probably not
Front (prompt)
WGS 84 — coordinate origin accuracy?
Plain English (default view) — short, conversational, lightly seasoned with science
🔬 Scientific / formula (revealed on click) — markdown + $$…$$ ok
Coordinate origin (Earth's center of mass) is defined to within about **2 cm**.
💡 Mnemonic / memory aid (shown on hover)
Cancel