The discussion centers on the historical rotation of the Sun, specifically its rotation speed over the past 4.5 billion years. Participants explore the concept of differential rotation and its implications, while seeking to quantify the Sun's rotational speed at various points in its history.
Participants generally agree on the concept of differential rotation but do not reach a consensus on the historical rotation speeds or the specifics of how the Sun's rotation has changed over time. Multiple competing views and questions remain unresolved.
The discussion lacks specific data on the Sun's historical rotation rates and the assumptions underlying the proposed rates of slowing. There are also unresolved mathematical steps regarding the quantification of these changes over time.
Readers interested in solar physics, astrophysics, and the historical evolution of stellar bodies may find this discussion relevant.
fatra2 said:Hi there,
It is to simple to say that our sun rotates every 34.3 days. Our sun, unlike the Earth, does not rotates like a solid object. Therefore, the rotation period of the Sun is differential, meaning that different parts of the sun will take more or less time to complete a rotation.
This differential rotation of the Sun gives very peculiar effects, like the distortion of its magnetic field.
Cheers