How about the crab supernova.
Regards.
Max. K 4 O D S.
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----- Original Message -----
From: "jimlux" <jim...@earthlink.net>
To: "Discussion of precise time and frequency measurement"
<time-nuts@febo.com>
Sent: Thursday, October 28, 2010 8:30 AM
Subject: Re: [time-nuts] Time of death-Again
Steve Rooke wrote:
One thing we should bear in mind that our tombstone timestamp should
have things like the timezone, and calendar in use, references, such
that future people can determine the exact point in time of our death.
In fact, basing the timestamp on some true reference point would
better than about 2000 years after some event happened on earth as
archaeologists from other words coming to the Earth in the future
would be left to figure out this arbitrary time event. I would propose
that we relate the year portion (which is the LSB and most important)
to some celestial event thereby making it possible to document this
easily for future life-forms to determine. The whole year/date thing
really should be made secular as there is no place for religion in the
governance of society.
Steve
Is this not the same problem we all face when specifying an absolute time?
Is it TAI? GPS? UTC? etc.
And, then, if you are moving, the local time offsettime relative to some
reference might be different at different times.
I think this is a sort of relativity question, isn't it? That is, you
just have to pick some place/time, and reference everything else to that.
So which astronomical event do you want use as your reference (e.g. a T=0
epoch)and is it sufficiently well determined that you can figure it out
later? It's all well and good, for instance, to use noon on January 1st,
1900 or something as your time zero, but that's hardly a universally
available reference point.
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