1 5 3 6 × 1 0 7 s Light year - Memory Alpha It is ≈ 9.461 × 1015m. Using this information we can infer that a photon of light travels approximately 9.46073 x 10^12 kilometers, in a straight line, in a single year. This many seconds is an even larger number than the number of miles light goes in one second! Earth is about eight light minutes from the Sun. The formula used in million yearss to years conversion is 1 Million Years = 1000000 Year. To convert all types of measurement units, you can used this tool which is able to provide you conversions on a scale. Light Years Conversion Charts. Solution: Formula: ly / 3.261563 = pc. The answer is 1.7010779502325E-13. 1 light year = 9.46 × 10 to the power 15 m. or 9.46 × 10 to the power 15m = 1 light year. A: A parsec, or "parallax second," is defined as 3.26 light-years because of how it is measured. One light year equals 6 trillion miles.A light-year is a measure of distance, not time. time = 1 year = 365 x 24 x 60 x 60 = 31,536,000 s. 1 light year = 3 x10 8 15 metres. Ques: Calculate the distance in light years if the distance between two stars is 5.89 × 105 au. Therefore a light year is exactly 9,460,730,472,580.8 kilometers. Calculation: 5 ly / 3.2616 = 1.533007 pc. 1 Year is equal to how many half years ? How many astronomical units in a light year: If l ly = 1 then. The universe is about 13.7 billion years old. How many months in one year? It's equal to the amount of distance that light would travel in one year. How far is 1 light year in kilometers? 4.24 light years 15 One parsec converted into light year equals = 3.26 ly 1 pc = 3.26 ly In other words, 1 million years is 1000000 times bigger than a year. Accordingly, a single light year is calculated as measuring 9.46073 x . Light travels super fast, at 186,282 miles per second, or about 670 million miles per hour. This converter is very easy. blake: 2017-11-28 10:23:38. how long is a year and three quarters. How to convert light years to astronomical units [ly to au]: l au = 63 239.7263 × l ly. [2 marks] Ans: distance in au = 5.89 × 105 au. Calculate from distance into other length unit measures. The answer is option b) 10^16 mts. Light Years Conversion Charts. The other way around, how many centimeters - cm are in one light-year - ly unit? Lightyears to Miles conversion 1 au in light years 1 astronomical unit or au is equal to 1.5812507 × 10⁻⁵ or 1.5812e-5 light years Distance From Earth to Sun in Light Years