10,000 light years = 9.4605284 × 1016 kilometers.
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1 light-year = 9.46*1012 kilometers 50,000 light-years = 4.73*1017 kilometers
our solar system is on a spiral on one of the milky ways many spirals. we are in the milky way galaxy which is 100 000 light years in diameter and 10 000 light years thick at the centre.
The information about a light-year is not relevant to answer this particular question. To find out how far light goes (in a vacuum) in any specific time, simply multiply 300,000 (km/second) by the number of seconds.
The distance between stars is immense, so we use light years as a unit of measurement because it accurately reflects the vast distances involved. A light year is the distance that light travels in one year, which is about 9.46 trillion kilometers. Using light years makes it easier to understand and compare the distances between stars in our universe.
Like any distance, it depends on how fast you are going. At the speed of light it would take 4,000 years to travel that distance.