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Re: FYI: AoA's News release on MH '99 (dumb)

Stephen Bigelow wrote:

> Parsec: a unit of steller distance, equal to about 3.25 light years (3.08 *
> 10^16 metres), the distance at which the mean radius of the earth's orbit
> subtends an angle of one second of arc.
> I don't understand it either. *s*

I always thought it was one second of one degree of arc (of 1 AU). Oh well..