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Post By
Braugi

In Reply To
dave

Subj: not really...
Posted: Fri Sep 19, 2008 at 06:10:49 am EDT
Reply Subj: Re: Hard feat to quantify
Posted: Fri Sep 19, 2008 at 12:54:08 am EDT


it seems that way because the Earth is the largest source of mass locally, but the Earth is very strongly pulled by the Sun, and to a lesser degree by other planets and the moon (which perturb its orbit and, in the case of the moon, influence the tides)

The attraction between the Earth and the Sun is significant...

That said, 'planetary' feats are always difficult to quantify, but this certainly seems to be one of them.


> > It isn't hyperbole, because it said it and then showed it.
> >
> > I always thought the feat was referred to as "holding up the world", not the heavens. But really, if he is seperating two things by just getting between them, then I'd have to go with the weight of the world as the actual weight of the feat.
> >
> > It looks like metaphysical wackyness also, but it's been referred to before. Also, I don't recall Hercules failing to lift much
> >
> >
>
> Yes, but even the "weight of the world" isn't a really value. The planet has a certain mass but the weight has to do with gravity. If you are pushing on the entire planet, then there is no gravitational force because it pulls inward. The planet "weighs" nothing unless you are at the center of the planet holding it apart somehow.



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