A sidereal day is approximately how much...

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Question 1 of 2066636ee928f7522a1c51a0bc

A sidereal day is approximately how much shorter than a solar day?

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66636ee928f7522a1c51a0bc

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A sidereal day is approximately how much shorter than a solar day?

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🔍 Key Concepts

• Difference between a solar day (based on the Sun’s apparent motion) and a sidereal day (based on distant stars) • How many degrees Earth must rotate for the Sun to appear in the same position again • Approximate amount of extra rotation needed beyond 360° for a solar day

💭 Think About

• Think about whether Earth’s orbit around the Sun makes a solar day slightly longer or slightly shorter than a sidereal day. • If the Earth must rotate slightly more than 360° for the Sun to return to the same spot in the sky, does that mean the sidereal day is shorter or longer? • Estimate how many minutes a small fraction of a 24‑hour day (like 1/365 of a day) would be.

✅ Before You Answer

• Be clear that a solar day is about 24 hours by definition, while a sidereal day is slightly different. • Convert a small fraction of 24 hours into minutes to estimate the time difference. • Check which choice best matches the approximate time difference you calculate, rather than guessing from the numbers alone.

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Question 1 of 2066636ee928f7522a1c51a0bc

A sidereal day is approximately how much shorter than a solar day?

Back

Question 1 of 20

66636ee928f7522a1c51a0bc

Q

A sidereal day is approximately how much shorter than a solar day?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Difference between a solar day (based on the Sun’s apparent motion) and a sidereal day (based on distant stars) • How many degrees Earth must rotate for the Sun to appear in the same position again • Approximate amount of extra rotation needed beyond 360° for a solar day

💭 Think About

• Think about whether Earth’s orbit around the Sun makes a solar day slightly longer or slightly shorter than a sidereal day. • If the Earth must rotate slightly more than 360° for the Sun to return to the same spot in the sky, does that mean the sidereal day is shorter or longer? • Estimate how many minutes a small fraction of a 24‑hour day (like 1/365 of a day) would be.

✅ Before You Answer

• Be clear that a solar day is about 24 hours by definition, while a sidereal day is slightly different. • Convert a small fraction of 24 hours into minutes to estimate the time difference. • Check which choice best matches the approximate time difference you calculate, rather than guessing from the numbers alone.

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

Quick actions

— No credit card needed