The prime vertical is the reference point...

Question 1 / 2066636ee928f7522a1c519ecb

Question 1 of 2066636ee928f7522a1c519ecb

The prime vertical is the reference point from which the angle of which type of observation is measured?

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Question 1 of 20

66636ee928f7522a1c519ecb

The prime vertical is the reference point from which the angle of which type of observation is measured?

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🔍 Key Concepts

• Prime vertical as a great circle on the celestial sphere • Difference between azimuth and amplitude in celestial navigation • When observations are made: at sunrise/sunset vs any time the body is visible

💭 Think About

• Ask yourself: along which circle on the horizon or sky do we measure this quantity—from north/south points or from east/west points? • Which of these options is specifically connected with sunrise and sunset, and which can be taken at any time a celestial body is visible? • Which quantity is defined as an angle between the celestial body and the true horizon, and which one is the angle measured at the time of rising/setting?

✅ Before You Answer

• Be clear on the definition of prime vertical (it passes through the east and west points of the horizon and the zenith). • Review the standard definition of azimuth vs amplitude in basic celestial navigation texts. • Verify which of the listed observations is explicitly defined as being measured from the prime vertical.

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Question 1 of 20

The prime vertical is the reference point from which the angle of which type of observation is measured?

Sextant angle

Azimuth

Amplitude

Local apparent noon

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Question 1 / 2066636ee928f7522a1c519ecb

Question 1 of 2066636ee928f7522a1c519ecb

The prime vertical is the reference point from which the angle of which type of observation is measured?

Back

Question 1 of 20

66636ee928f7522a1c519ecb

The prime vertical is the reference point from which the angle of which type of observation is measured?

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed