Computational modelling of the companion star and its interaction with Sol

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Why sphere special? Why solar system spherical, why sun spherical and also all stars and planets also spherical?

In water column we observe single bubble of air slowly rising to surface. We can see it change shape little, but it is spherical. Why bubble spherical? It is same. When there is balance in pressure and difference in density, at that time, spherical shape is naturally formed. Why rising? If medium where bubble rising would continuously change density with depth, at that time, the bubble would find depth where density also in balance. Then it would hover in that depth. Even if poking it, it will return to balance. But in reality no such medium with infinite change in density. We observe different mediums with different density if change in density big. We have air, and water. Each different. There are natural boundary between density. Here it is water surface. Bubble naturally find balance on this boundary, because its density in between. We too observe transverse waves on the boundary waving like blanket. In infinite medium of same density, no up, or down, left or right, no perpendicular. At that time, no transverse waves, only longitudinal.

 

[N34]

When taking two dissimilar conductive materials and connecting them together, current flows, like in battery. If current flow is continuous, after some time, the battery is ended in balanced state and current stops.

In weather, we observe low pressure region and high pressure region. The two are part of the atmosphere and are always in contact, not isolated. As soon as they arise, there is transfer of air from the high pressure region toward low pressure region. It is perceived as wind. The bigger the pressure difference the stronger wind. Until balance is created and pressure equal. Just like the atmosphere is kept in balance, so is everything else. Balance is universal principle and universe is kept in dynamic balance.

If we inflate beach-ball and seal it, then even though there is high pressure inside, it is stable, because it is isolated from outside. There is balance in an imbalance. As soon as we poke hole in the ball, the isolation boundary is violated and now the outer pressure and inner pressure are in contact and air escapes until the ball deflated.

Solar system, same. There is boundary around solar system that keeps separate the inner region from outer, so they are not in contact. This allow the solar system to have different density than outer space. But the boundary is not impenetrable. If there is outside influence and the boundary is violated, at that time, current temporarily flows and causes instability. This instability is directly observable at the sun. After all it is sun that has strength to keep the boundary in place and is in intimate contact with it. If density inside is smaller, then flow is from outside to inside, trying to restore balance. This is very stressful for sun. Fortunately the boundary is self-healing. That means that when the cause, that created opening in boundary, is removed, the opening again closes, and the boundary is again intact and no current flows. Stable operation is again restored. The bigger the opening, the bigger current flow, the larger deviation from stable condition.