Earth's axial tilt: The imaginary axis about which the Earth rotates is inclined at what angle to the plane of Earth's orbit (the ecliptic)? Give the standard rounded value used in geography. Choose the correct angle.
General Knowledge
World Geography
Difficulty: Easy
Choose an option
-
A44 1/2°
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B55 1/2°
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C66 1/2°
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D0°
Answer
Correct Answer: 66 1/2°
Explanation
Given data
- Axial tilt (obliquity) ≈ 23.5° from the perpendicular to the orbital plane.
CalculationAngle to the plane of orbit = 90° − 23.5° = 66.5° (≈ 66 1/2°).
Final Answer66 1/2°