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2023•Journal of Applied Mathematics and PhysicsOpen access

A Study of Solar Rotation and Differential Rotation

Zhihui Zhou

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Abstract

The Sun has solar rotation; nevertheless, many evidences have suggested that different latitude of the Sun rotates in different speed, which is now known as differential rotation. This work calculates the solar rotation speeds near the equator and 30? in the northern hemisphere using Fixed-Point Arithmetic method. The calculated results show a greater speed at the equator than the speed at 30?, indicating that the speed decreases as the latitude becomes higher.

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What this paper is about

The Sun has solar rotation; nevertheless, many evidences have suggested that different latitude of the Sun rotates in different speed, which is now known as differential rotation. This work calculates the solar rotation speeds near the equator and 30? in the northern hemisphere using Fixed-Point Arithmetic method. The calculated results show a greater speed at the equator than the speed at 30?, indicating that the speed decreases as the latitude becomes higher.

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Available abstract

The Sun has solar rotation; nevertheless, many evidences have suggested that different latitude of the Sun rotates in different speed, which is now known as differential rotation. This work calculates the solar rotation speeds near the equator and 30? in the northern hemisphere using Fixed-Point Arithmetic method. The calculated results show a greater speed at the equator than the speed at 30?, indicating that the speed decreases as the latitude becomes higher.

Key concepts: Differential rotation, Equator, Rotation (mathematics), Latitude, Northern Hemisphere, Solar rotation, Differential (mechanical device), Physics

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