Re: [Phys-L] absolute "motion"

[Bruce Sherwood <Bruce_Sherwood@ncsu.edu>]

But that only suggests that the Earth is rotating, not that it is going
around some star or other.

Bruce


On Thu, Aug 22, 2013 at 5:20 PM, John Denker <jsd@av8n.com> wrote:

> On 08/22/2013 03:57 PM, jbellina wrote:
> > An interesting question is what constitutes proof that the earth is in
> fact moving?
>
> How about a Foucault pendulum?
>
> The phenomenon in question has real-life relevance, namely for
> aircraft using inertial navigation systems.  The earth is
> definitely /not/ an inertial frame.
>
> ==========
>
> Also:  "annual parallax" in astronomy.
>  https://www.google.com/search?q=%22annual+parallax%22
>
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