Thread: Calculating the distance between a "5 cent coin sized" sun to Proxima Centauri
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Old 14-12-2011, 12:28 AM
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renormalised (Carl)
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Try...

Rigel.....810ly and 85 solar diameters
Betelgeuse.....640ly and 900 diameters
Sirius....8.64ly and 1.71 diameters
Gliese 581....20ly and 0.36 diameters
Alpha Cen A.....4.395ly and 1.23 diameters

That should keep you busy
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