Your vessel is at the equator at midnight on...

Question 1 / 2066636ee928f7522a1c51a5de

Question 1 of 2066636ee928f7522a1c51a5de

Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?

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Question 1 of 20

66636ee928f7522a1c51a5de

Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?

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🔍 Key Concepts

• Sidereal day vs. solar day – how much earlier a star rises each night compared to the Sun • Approximate number of minutes a star’s rising time shifts per day • Total number of days between 1 January and 1 February and how that affects cumulative time shift

💭 Think About

• First, recall roughly how many minutes earlier a given star rises each successive night due to Earth’s orbit around the Sun. Write that number down. • Next, multiply that per-day change by the number of days between the two dates. Convert that product into hours and minutes. • Finally, subtract this total time difference from midnight (0000) and see which answer choice is closest to the resulting rising time.

✅ Before You Answer

• Be sure you are using the shift for a sidereal day (stellar time), not for the Sun’s 24-hour solar day. • Confirm the number of days you should use between 1 January and 1 February (inclusive or exclusive?) as typically used in navigation problems. • After finding the total minutes shift, double-check your time conversion into HHMM format to avoid simple arithmetic mistakes.

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Question 1 of 20

Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?

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Question 1 / 2066636ee928f7522a1c51a5de

Question 1 of 2066636ee928f7522a1c51a5de

Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?

Back

Question 1 of 20

66636ee928f7522a1c51a5de

Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?

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