In order for a star to be used for a sight...

Question 1 / 2066636ee928f7522a1c519dc2

Question 1 of 2066636ee928f7522a1c519dc2

In order for a star to be used for a sight at lower transit, which must be TRUE of the star?

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Question 1 of 20

66636ee928f7522a1c519dc2

In order for a star to be used for a sight at lower transit, which must be TRUE of the star?

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🔍 Key Concepts

• Upper vs. lower transit of a star across the observer’s meridian • Relationship between a star’s declination, the observer’s latitude, and whether the star ever sets • Definition and characteristics of a circumpolar star

💭 Think About

• Think about what has to be true for a star to cross your meridian twice in one sidereal day and still be above your horizon both times • Ask yourself: in what situation does a star pass between you and the pole, and then on the far side of the pole, without ever dipping below the horizon? • Compare what happens to stars whose declination is less than, equal to, or greater than your latitude—do they rise and set, or are they always visible?

✅ Before You Answer

• Clarify what lower transit physically means on the celestial sphere (position relative to the pole and your meridian) • Verify which condition makes a star always above the horizon for your latitude • Check which option describes a property that guarantees the star will have both upper and lower transits visible to you

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Question 1 of 20

In order for a star to be used for a sight at lower transit, which must be TRUE of the star?

The star must have a GHA of 180°

The star must have the SHA equal to or less than the LHA

The star must be circumpolar

The star must have a declination equal to or greater than your latitude

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Question 1 / 2066636ee928f7522a1c519dc2

Question 1 of 2066636ee928f7522a1c519dc2

In order for a star to be used for a sight at lower transit, which must be TRUE of the star?

Back

Question 1 of 20

66636ee928f7522a1c519dc2

In order for a star to be used for a sight at lower transit, which must be TRUE of the star?

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