Upper limb observations of the Moon are used...

Question 1 / 2066636ee928f7522a1c51a524

Question 1 of 2066636ee928f7522a1c51a524

Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________.

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Question 1 of 20

66636ee928f7522a1c51a524

Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________.

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🔍 Key Concepts

• Upper vs. lower limb observations and why one is preferred for different bodies • How the Moon’s apparent position changes compared with the Sun • What factors make the Moon’s observed altitude change noticeably in a short time

💭 Think About

• Ask yourself: which choice specifically affects how quickly the Moon’s observed altitude or position changes during a short observing period? • Which factor would make timing and limb choice more critical for accurate sextant sights? • Which option is unique to the Moon’s motion/behavior and not equally true for the Sun?

✅ Before You Answer

• Check which option is most closely tied to rate of change in apparent position rather than just a static property of the Moon. • Eliminate any choices that would apply just as much to the Sun as to the Moon. • Focus on the answer that best explains why upper limb sights are more convenient or reliable for the Moon in practice.

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Question 1 of 20

Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________.

lesser distance between the Earth and the Moon

effects of augmentation and horizontal parallax

phase of the Moon

rapid change in declination of the Moon

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Question 1 / 2066636ee928f7522a1c51a524

Question 1 of 2066636ee928f7522a1c51a524

Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________.

Back

Question 1 of 20

66636ee928f7522a1c51a524

Upper limb observations of the Moon are used more frequently than those of the Sun because of the location of the Moon in the sky and the __________.

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