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April 19, 2014

Homework Help: Astronomy

Posted by KD on Tuesday, September 13, 2011 at 5:07am.

Few question about astronomy:

1.how many centimetres is equivalent to a light-nanosecond
2. How long is an astronomical unit (AU) in light-minutes (1min, i.e., the distance that light travels in a vacuum in one minute)?

Please show the calculation if there is any

Thanks

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