How did early explorers know where they were on the earth’s surface? Explorers used the time and the angle of the earth’s tilt in relation to the sun to work out their location. What is longitude? Explorers used a ch

Source URL: education.maritime.history.sa.gov.au

• Sextant
• Declination
• Latitude
• Longitude
• Navigational triangle
• Ex-meridian
• Navigation
• Boating
• Exploration