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Physics, 20.10.2020 21:01, chloespalding
A light-year is the measure of how far light can travel in one year. How long has the light from a star 125,000 light-years away been traveling to reach Earth?
Select one:
a. 12.5 years
b. 125 years
c. 125,000 years
d. 125,000,000 years
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Answers: 1
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A light-year is the measure of how far light can travel in one year. How long has the light from a s...
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