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17 September, 22:02

How long is a light year?

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Answers (2)
  1. 18 September, 00:20
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    A light year is = to 9.461 * 1015 metres
  2. 18 September, 01:13
    0
    - - Imperial & US units‎: ‎5.8786*10¹² mi

    - - Metric (SI) units‎: ‎9.4607*10¹⁵ m

    - - Astronomical units‎: ‎6.3241*10⁴ AU
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