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ladessa [460]
3 years ago
6

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years o

ld now, how old will you be when light that is leaving Arcturus today reaches earth? How far, in kilometers, will it have traveled?
Chemistry
1 answer:
valina [46]3 years ago
5 0
<span>48 years old 
and 333 trillion km</span>
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