[meteorite-list] Speed-of-light question

From: John Gwilliam <jkg2_at_meteoritecentral.com>
Date: Tue, 25 Aug 2009 21:19:31 -0700
Message-ID: <20090826041935.YIPI21192.fed1rmmtao106.cox.net_at_fed1rmimpo02.cox.net>

Well, I don't know about *my* reckoning, but for my dogs it would be
either 0.624 or 29.89 years. I'm not sure if I'm supposed to multiply
or divide by seven;-)

My best guess is that it would be a fraction of instantaneous.

John The Bewildered

At 08:56 PM 8/25/2009, Rob Matson wrote:
>Hi Eric and List,
>
> > Light itself travels 186,000 miles per second. Do most people
> > really understand how fast that truly is? Do people realize
> > how long it would take to travel ANYWHERE in our universe?
>
>At the speed of light, you can actually travel anywhere in the
>universe *instantaneously* -- from your own reckoning of time.
>Which brings up a special relativity question for you all: at
>what velocity must you travel in order to reach Alpha Centauri
>(4.37 light-years away) in exactly 4.37 years -- by *your*
>reckoning of time?
>
>--Rob
>
>
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John Gwilliam

Too many people were born on third base
and go through life thinking they hit a triple.
Received on Wed 26 Aug 2009 12:19:31 AM PDT