Unlike celestial navigation, which uses astronomical bodies, the method of navigating by referencing geographic features and landmarks on the Earth's surface is known as ________ navigation.
Answer
terrestrial
Explanation
Terrestrial navigation uses visible features on the Earth's surface as positional references. It is distinct from navigation based solely on GPS or flight instruments. **Key takeaway:** Ground features define terrestrial navigation. **Glossary:** **Terrestrial navigation**: Visual orientation using features on Earth.