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light second
(redirected from Light-second)

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Noun1.light second - the distance light travels in a vacuum in one second; approximately 300,000 kilometers
astronomy unit - a linear unit used for astronomical distances
light year, light-year - the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
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I can hear it now – “yes, in the last light-second the Fed just created $10 trillion of funny money”.
My investment predictions for 2009 by Tony D'Altorio / Stockhouse
If we could have been around when the cosmos was 1 second old, we would have seen only objects less than 1 light-second away, not as far as the moon now is.
True ZITs: can such things be? by Thomsen, Dietrick E. / Science News
 
 
 
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