The alignment of the Earth's axis at about 23.5o angle from perpendicular to the plane of the ecliptic is called:

Question

BlackTom AI · Accepted Answer

The question asks about the orientation of Earth's axis relative to the plane of its orbit around the Sun. 
Option a) rotation: This term describes the spinning of Earth on its axis, which is about 24 hours, not about the tilt of the axis with respect to the ecliptic. Therefore, rotation does not capture the described angle. 
Option b) axial tilt: This is the standard term for the tilt of Earth's axis relative to the perpendicular to the ecliptic plane, specifically about 23.5 degrees. This matches the description given in the question and is the accepted astronomical term for this inclination. 
Option c) axial parallelism: This phrase would imply that the axis remains parallel to some line or direction over time, which is not the accepted description of the tilt angle of Earth’s axis relative to the ecliptic plane. It does not denote the 23.5-degree inclination. 
Option d) sphericity: This term concerns how close a shape is to a perfect sphere, not the orientation of an axis. It is unrelated to the tilt of Earth’s axis. 
In summary, option b) axial tilt precisely characterizes the 23.5-degree angle between Earth’s rotational axis and a line perpendicular to the ecliptic, aligning with standard terminology in planetary science.

The alignment of the Earth's axis at about 23.5o angle from perpendicular to the plane of the ecliptic is called:单项选择题

类似问题

The seasons on the Earth is due to:

If the Earth's axial tilt were smaller (10 degrees instead of 23 1/2 degrees)

Seasonality in climate is caused directly by

The seasons on Earth are mainly due to:

What would reduce Earth's seasonal variations in temperature?

What is the cause of the seasons on Earth?

Changes in the angle of the Earth's axial tilt does not impact on the intensity of the seasons.

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单