Re: Rotation

[Bernard Cleyet <anngeorg@PACBELL.NET>]

This, generally true, fact must be accounted for, by any theory of galactic
and planetary system formation.

bc

Solar system violations, I presume are explained by exo-collisions or intra-
with a sl. impact parameter.

Ludwik Kowalski wrote:

> Under a different thread Muhsin Ogretme asked:
>
> > I remembered another question (a famous one) "why does the earth
> > rotate?". The common answer is because there is no agent to stop it.
> > Can we start with the idea that all heavenly objects were already
> > rotating when they started their lifes? Is it a good idea to accept the
> > rotationof the heavenly objects as an internal property of them - as
> > we take the concept of inertia as an internal property of mass?
>
> The law of conservation of angular momentum (for a perfectly
> isolated star or planet) is like Newton's first law. Both are like
> axioms in mathematics, except they were derived on the basis of
> studying natural phenomena. These are very useful idealizations.
> Ludwik Kowalski