MathGroup Archive 2001

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LightYear Conversion is Incorrect in Units Package


Dear MathGroup,

The LightYear conversion appears to be significantly incorrect in the Units
package.

Needs["Miscellaneous`Units`"]
Needs["Miscellaneous`PhysicalConstants`"]

{Convert[LightYear, Meter], Convert[1.0Year SpeedOfLight, Meter]}
{9.4605*^15*Meter, 9.454254955488*^15*Meter}

I believe that the second value is the correct value. If you agree, you can
correct the Miscellaneous`Units` package by searching for LightYear and
pasting in the correct value.

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/



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