Relation between light year and astronomical unit
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Light year is the distance light travels in one Earth year and an AU (astronomical unit) is the distance between the Earth and the sun. The light year is significantly longer. 1 light year is about 63,000 AU. One parsec is about 3.26 light years.
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Light year is the distance light travels in one Earth year and an AU (astronomical unit) is the distance between the Earth and the sun. The light year is significantly longer. 1 light year is about 63,000 AU. One parsec is about 3.26 light years.
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