The video tutorial explains how navigators used celestial bodies like the moon, sun, and stars to determine their location at sea before modern technology. It introduces the concept of celestial navigation, which involves using these celestial bodies to plot a ship's route.

What did navigators rely on to determine their position at sea before the advent of modern technology?

• Weather patterns

• Radio signals

• Celestial bodies

• GPS systems

Which of the following is considered a celestial body?

• A compass

• The moon

• A lighthouse

• A satellite

What is the term used for using celestial bodies to navigate a ship?

• Astronomical mapping

• Celestial navigation

• Lunar positioning

• Stellar tracking

Which celestial body is NOT typically used in celestial navigation?

• The sun

• Stars

• The moon

• Mars

What is the primary purpose of celestial navigation?

• To communicate with other ships

• To predict weather patterns

• To plot a ship's route

• To measure ocean depth