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Post by Tristan's Journal on Oct 23, 2018 18:37:50 GMT
Light Years describes BOTH distance AND time. Duh! When you use that term with a scientist he/she immediately understands both the length of time and distance. J/S ^ that's a Lucasian misconception. A Light-year like a parsec is a unit of length commonly employed to express astronomical distances. It's about 9.5 trillion kilometres (5.9 trillion miles). IAU defines light-year as distance that light travels in vacuum space in one (Julian calender) Earth year (365.25 days). Light travels a lot slower through objects like water etc. Only way to save this would be to say that there is no space and time, there is only the fabric of spacetime. 
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