what is light year ? express it values in km
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a distance light travel in one year is known as light year
9.4607*10¹² km
9.4607*10¹² km
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Light year is the distance travelled by light in one year.We generally use the term light year to express large distances and one light year is nearly 3×10 raised to 8 m/sec.One light year therefore equals nearly 9.46×10raised to 12 km.
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