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	Thank you for the clarification. It is quite interesting how without 
the year one and the lack of concept of negative numbers until the 16th c
entury that this timing effect has evolved into a science of its own. It 
is interesting too how the birth of Christ was signified by the number 9 
and that accounts by NASA that mapped the alignments of the planets had m
apped his birth as Sept 11, 3 BC/BCE.  It is so interesting also how math
ematical factoring was conducted in much of this chronological configurat
ion making it very intriguing for students of science and math as well as
 the professors who teach them. Edith


> De: Chee-kuen YIP <ckyip@LCS
D.GOV.HK>
> A: [log in to unmask]
> Objet: Re: Science, re
ligion, measurement
> Date: Sat, 23 Apr 2005 17:59:56 +0800

> <pre>IS
EN-ASTC-L is a service of the Association of Science-Technology Centers

> Incorporated, a worldwide network of science museums and related instit
utions.
> **************************************************************
***************
> 
> To provide an answer to Edith's question, the foll
owing two information
> links should be useful:
> 
> <a href=http://aa
 usno.navy.mil/faq/docs/millennium.html>http://aa.usno.navy.mil/faq/docs/
millennium.html</a><a href=http://en.wikipedia.org/wiki/Common_Era>http:/
/en.wikipedia.org/wiki/Common_Era</a>
> I believe that a proper represen
tation of year in history is a science on
> its own, in particular this 
is the year of Physics, a celebration involving
> Einstein's unification
 of time and space a hundred years ago.
> 
> I have an interest in the 
history of astronomy.  China has long recorded
> history that can be dat
ed precisely back into the BC era.  For example,
> Chinese has a record 
of the year and month of the return of comet Halley in
> 613 BC / BCE, a
nd a continuous record of Halley's every return since 240 BC
> / BCE.  W
e just cannot avoid a precise representation of time around that
> perio
d.  We need to know that there is no 0 BC / BCE and 0 AD / CE to do a
> 
proper counting for the number of years between the returns, for instance
 
> 
> Isn't it part of the science education and an issue of science l
iteracy?
> 
> Chee-kuen
> 
> YIP, Chee-kuen
> Chief Curator
> Hong 
Kong Science Museum
> 
> 
> 
> 
> 
> "Robert L. Russell" <hanarus@a
ol.com>@HOME.EASE.LSOFT.COM> on 23/04/2005
> 04:52:57
> 
> Please resp
ond to Informal Science Education Network
>        <[log in to unmask]
e.lsoft.com>
> 
> Sent by:    Informal Science Education Network
>    
    <[log in to unmask]>
> 
> 
> To:    [log in to unmask]
EASE.LSOFT.COM
> cc:
> 
> Subject:    Re: Science, religion, measureme
nt
> 
> 
> 
> OK, I tried to be lighthearted to encouraged people to 
get off the current
> religion, science, BCE vs BC etc routine.  These a
re all valid, legitimate
> issues, but the discussion is getting somewha
t esoteric and (at least to
> me) tired.
>  Can't we move the listserve
 back to a discussion of science education and
> issues of science liter
acy?
> 
> Bob
> 
> Robert L. Russell, Ph.D., Principal
> Learning Ex
perience Design
> (202) 997-5539
> [log in to unmask]
> 
> Science Advis
or, Celebra la Ciencia
> www.celebralaciencia.org
> 
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ion about the Informal Science Education Network and the
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f Science-Technology Centers may be found at <a href=http://www.astc.org.
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> </pre>

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