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Distance. One light-year is the distance that light travels in one year.

Light travels at 186,000 miles per second, or 300,000 kilometers per second. This speed is sometimes abbreviated as "c".

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14y ago

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Related Questions

Is year derived or fundamental?

One thing that complicates matters slightly is that there are lots of things called "years", and they're all very slightly different. However, the fundamental SI unit of time is the second, so any other time unit is "derived" from that (with the possible exception of "Planck time", which is about as fundamental as it's possible to be since it's based on universal physical constants).


Which of the is not a unit of time leap year or light year?

A light-year is a unit of distance, not a unit of time.


What is an astronomical light unit?

An Astronomical light unit (ALU) is a term derived to compliment a light year. It was devised by Wiki supervisors to alleviate the problem of people worrying about how a measure of distance could be related to time. "How long is one light year". It does not replace a light year, merely its usage is less confusing and the values stay exactly the same.


Which is larger an astonomical unit or a light year?

A light year is larger than an astronomical unit.


Is a light year a unit of time True or false?

False the light year is not a unit of time it is a unit of distance true.


Is an astronimical unit or light-year the larger unit of measure?

One Light-year is 63,024 Astronomical units.


Which unit of measurement uses the distance light travels in one year - 9470000000000km?

The unit of measurement is the "light year".


Which unit of measurement represents the distance light travels in one year light-year or parsec?

"light-year"


How old is mira the star in light years?

"Light-year" is NOT a unit of time. It is a unit of length or distance - the distance light travels in a year.


What is the order of increasing length of astronomical unit parsec kilometer and light year?

kilometer, AU (astronomical unit), light year, parsec.


How many hours is a light year?

This is an impossible conversion to make. A hour is a unit of time. A light year is a unit of distance, specifically, it is the distance light travels in a year.


Which unit of measurement represents the distance light travels in one year?

light-year