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Home Q & A Board Science-Related Homework Help Physics Astronomy
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hermiz hermiz
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6 years ago
The light-year is defined to be the
A) time it takes light to travel from the Sun to the Earth
B) time it takes for light to travel from the nearest star to the Earth
C) distance light travels in one year in space
D) average distance between the Earth and the nearest star
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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19Clyde19Clyde
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6 years ago
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hermiz Author
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6 years ago
Good timing, thanks!
54321abs
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
ealvino1610
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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