gpsg19m98a
gpsg19m98a
21-08-2014
Physics
contestada
What is the meaning of lightyear?
Respuesta :
AL2006
AL2006
21-08-2014
"Lightyear" is a
distance
... specifically, the distance that light travels
through vacuum in one year of 365 days.
It's equivalent to 9.454 x 10^12 kilometers, or 5.875 x 10^12 miles .
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