--- In [EMAIL PROTECTED], "Robert Seeberger" <[EMAIL PROTECTED]>
wrote:
>
> jdiebremse wrote:
> > --- In [EMAIL PROTECTED], "Robert Seeberger" rceeberger@
> > wrote:
> >>> No, it won't - it would be _wrong_ to call it a planet! It should
> >>> be called by something else, to stress the fact that it does
> >>> not orbit a star.
> >>
> >> That is exactly what I think is ridiculous. That orbits are more
> >> important to the definition of "planet" than the properties of the
> >> body itself are.
> >
> > I don't know about that. For one thing, if one wanted to
> > define "planet" simply on the basis of the properties of the body, I
> > would think that one would develop separate terms for what are
> > currently called "terrestrial planets" and "jovian planets."
>
> Heh! Those are exactly the terms used.
> Where you been dude?

So, I guess I don't understand your objection to the new definition of
"planet" - other than semantics.

Would you be happy if the IAU had adopted a definition of "planet" - as
being an object of sufficient mass to become nearly spherical and a
definition of  "central planet of planetary system" as a planet that had
cleared its orbit?

JDG





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