Question

Convert the following into SI units:
8.) light year​

Answer 1

Answer:

6 million million miles

1 light year (LY) = 9.4607 × 10^12 km (nearly 6 million million miles

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Answer 2

$\huge\fcolorbox{red}{yellow}{→ANSWER}$

→General information

$UNIT \;system\;-astronomy \;units$

$→Unit\; of-\;length$

$→Symbol\;-ly^2$

$Definitions$

As defined by the IAU, the light-year is the product of the Julian year[note 2] (365.25 days as opposed to the 365.2425-day Gregorian year) and the speed of light (299792458 m/s).[note 3] Both of these values are included in the IAU (1976) System of Astronomical Constants, used since 1984.[5] From this, the following conversions can be derived. The IAU recognized abbreviation for light-year is ly,[2] although other standards like ISO 80000 use "l.y."[6][7] and localized abbreviations are frequent, such as "al" in French (from année-lumière), Spanish (from año luz) and Italian (from anno luce), "Lj" in German (from Lichtjahr), etc.