Depends where it started. If you're talking about light from the moon, that takes a little over 1 second to get here. If you mean light from the nearest star, then it takes a little over 4 years. If you're referring to our light from the sun, then 8 minutes is a good round number.
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False
A ray has no endpoints true or false
FALSE
False. Pure gold is 24 karat.
false