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Questions and Answers
What is axial tilt in astronomy?
What is axial tilt in astronomy?
- The angle between the orbital plane and the line through the North and South Poles
- The angle between an object's rotational axis and its orbital axis (correct)
- The angle between the rotational axis and the equatorial plane
- The angle between the equatorial plane and the orbital plane
What happens when an object has an obliquity of 0 degrees?
What happens when an object has an obliquity of 0 degrees?
- The two axes point in the same direction (correct)
- The object's orbit becomes perfectly circular
- The equatorial plane aligns with the orbital plane
- The rotational axis is perpendicular to the orbital plane
How does Earth's axial tilt relate to its rotational and orbital axes?
How does Earth's axial tilt relate to its rotational and orbital axes?
- The rotational axis passes through the North and South Poles, while the orbital axis is perpendicular to the plane of Earth's orbit (correct)
- The rotational axis aligns with the orbital plane, causing day and night
- The equatorial plane aligns with the orbital plane, causing the four seasons
- The axial tilt causes the Earth to wobble on its axis
What effect does a stable obliquity have on an object over its orbital period?
What effect does a stable obliquity have on an object over its orbital period?
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What does axial tilt cause one pole of an object to do?
What does axial tilt cause one pole of an object to do?
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