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Old January 14th 09, 03:03 AM posted to alt.astronomy
Roedy Green
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Posts: 7
Default Density of stars and planets

In a 75 light year radius sphere centered on earth have you an
estimate how many stars and planets there are, or could you give me
density numbers I could use to compute that?
--
Roedy Green Canadian Mind Products
http://mindprod.com
PM Steven Harper is fixated on the costs of implementing Kyoto, estimated as high as 1% of GDP.
However, he refuses to consider the costs of not implementing Kyoto which the
famous economist Nicholas Stern estimated at 5 to 20% of GDP