What Is A Light Year Equal To
Light year is a unit of distance which is used to measure astronomical distances between two stars or distant planets or even between two galaxies.
What is a light year equal to. 1 light year is equal to how many years how to calculate a light year 10 s problem a what is a light year e what is a light year nasa e place science for kids1 light year is equal to how many years of the earth quorawhat is a light yearwhat is a light read more. When we use powerful telescopes to look at distant objects in space we are actually looking back in time. A light year is the distance light travels in one earth year. A light year is the distance a beam of light travels in a single earth year or 6 trillion miles 9 7 trillion.
How can this be. 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 a measurement of distance and not time as the name might suggest. 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.
Light travels at a speed of 186 000 miles. That is a 6 with 12 zeros behind it. Because it includes the word year the term light year may be. A light year is equal to the.
Looking back in time.