Miles In A Light Year
The year used by the international astronomical union is 365 25 days.
Miles in a light year. A light year abbreviated ly is the distance light travels in one year. Therefore a light year is exactly 9 460 730 472 580 8 kilometers. And a light year is 63 241 astronomical units 1 astronomical unit or au is the average distance from the earth to the sun. Therefore a light year is exactly 9 460 730 472 580 8 kilometers.
A light year is the distance that light travels in one year. Roughly 9 46 1012 kilometres 9 46 petametres or about 5 88 1012 nearly six trillion miles. As defined by the international astronomical union iau a light year is the distance that light travels in vacuum in one julian year 365 25 days. A light year is 5 878 625 373 183 6 miles.
More specifically a light year is defined as the distance that a photon would travel in free space and infinitely far away from any gravitational or magnetic fields in. But a light year isn t. Because it includes the word year the term light year may be. The light year is a unit of length used to express astronomical distances and measures about 9 46 trillion kilometres 9 46 x 10 12 km or 5 88 trillion miles 5 88 x 10 12 mi.
A mile is a unit of distance equal to 5 280 feet or exactly 1 609344 kilometers. It is commonly used to measure the distance between places in the united states and united kingdom.