In the horizon system of coordinates what is...

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Question 1 of 2066636ee928f7522a1c5198a3

In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator system?

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66636ee928f7522a1c5198a3

In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator system?

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🔍 Key Concepts

• Celestial equator system (equatorial system) and what surface it uses on the celestial sphere • Horizon system of coordinates (altitude-azimuth system) and what basic great circle it is built on • Meaning of terms: vertical circle, prime vertical, and horizon

💭 Think About

• First, recall: in the celestial equator (equatorial) system, which great circle on the celestial sphere is the basic reference, similar to Earth’s equator? • Then ask: in the horizon system, which great circle on the celestial sphere plays a similar fundamental reference role for measuring positions? • Compare each choice: which of these is actually a great circle that forms the basic reference circle for altitude or azimuth in the horizon system?

✅ Before You Answer

• Verify which option is a great circle that is always 90° from the zenith-nadir line and passes all around the sky. • Check which circle in the horizon system is used as the zero reference for altitude measurements. • Confirm that the prime meridian and prime vertical are specific reference circles, but consider whether they are the primary fundamental circle for the entire horizon system.

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Question 1 of 2066636ee928f7522a1c5198a3

In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator system?

Back

Question 1 of 20

66636ee928f7522a1c5198a3

In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator 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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