On 01/08/2012 09:01 PM, Orchid Win7 v1 wrote:
> On 01/08/2012 08:14 PM, Warp wrote:
>> That question is actually surprisingly complicated and ambiguous.
>
> A sidereal year? A tropical year? A calendar year? Some other type?
>
> They are all /approximately/ the same length, but not exactly...
>
> At to this that both the Earth's orbit velocity and rotational velocity
> aren't actually constant, and things get interesting.
>
> But don't fret. They're all nearly the same length in proper time, but
> at relativistic velocities relative to the Solar System, even the
> question becomes somewhat meaningless. ;-)

NB. This is /before/ watching the video. I should go watch that now...

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