raymond larsson wrote:
> If Pluto's albedo was 0.6 then it would have to be 1/2 the diameter to
> be as bright as Mars (1/4 the area). (if I remember my definitions)
It wasn't claimed that Pluto would be as bright as Mars--only as bright
as the brightest star (Sirius at about -1.46).
--
Brian Tung <brian@xxxxxxx>
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