The navigational triangle uses parts of two...

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Question 1 of 2066636ee928f7522a1c519cd6

The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, which is the other system?

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Question 1 of 20

66636ee928f7522a1c519cd6

The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, which is the other system?

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🔍 Key Concepts

• Navigational triangle on the celestial sphere (vertices: elevated pole, celestial body, observer’s zenith) • How the celestial equator system (declination and hour angle) relates to another coordinate system used by an observer • Difference between observer-based (local) coordinates and Sun/Earth orbit-based coordinates

💭 Think About

• Ask yourself: the navigational triangle links what the tables give you (based on the celestial equator) to what you actually observe. Which coordinate system is tied to the observer’s position on Earth? • Consider which option names a system used to express altitude and bearing of a celestial body as seen by an observer. • Eliminate any system that is mainly tied to the Earth’s orbit around the Sun rather than to the observer’s local sky.

✅ Before You Answer

• Verify which option refers to a coordinate system based on the observer’s horizon and zenith. • Check which system is commonly paired with the celestial equator system in basic celestial navigation problems (altitude-intercept method). • Make sure the system you pick is actually a standard, named celestial coordinate system, not a vague or overly general term.

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Question 1 of 2066636ee928f7522a1c519cd6

The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, which is the other system?

Back

Question 1 of 20

66636ee928f7522a1c519cd6

The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, which is the other system?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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