answersLogoWhite

0

When measuring distances in space, the distances are so huge that using kilometres and miles becomes pointless. A number of other measuring systems are used. A light year is the distance that light travels in a year. It is about 9,460,730,472,581 kilometres or about 5,878,630,000,000 miles. After the sun the nearest star is over 4 light years away. Many of the stars you see in the sky are hundreds of light years away and much more. So it is a lot easier to say 100 light years than 587,863,000,000,000 miles.

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

What is a measurement of distance based on the speed of light?

A unit that is commonly used in astronomy is the light-year - the distance light travels in a year.


Are light-years stars?

No. A light-year is a measurement. A light year is a distance measurement based on how far light travels in a year.


What unit of measurement is used in knowing the distance between milkyway galaxy and other galaxies?

The unit of measurement used to measure distances between galaxies is typically the light-year, which is the distance that light travels in one year. This unit is used because of the vast distances involved in intergalactic space.


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

The unit of measurement is the "light year".


How is light years used in science measurement?

A light year is the distance light travels in a year. That is roughly 6,000,000,000,000 miles (six trillion miles). Thus such a unit is used only to measure the largest distances, those between stars and galaxies.


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

light-year


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

The distance light travels in one year is called a light-year. To get the number 9,470,000,000,000, the unit used is the kilometer.


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

"light-year"


How many days make a light year?

A light year is a measurement of distance not of time.


When is a parsec used?

Parsecs are used as units of measurement for the enormous distances in space. One parsec is roughly 3.3 times greater in distance than one light year. A light year is the distance light travels in one year in a vacuum.


How many years are in a 100 light years?

Years are a measurement of time; light years are a measurement of distance. A light year is the distance light travels in one year (in a vacuum).


What is 5.8 trillion miles got to do w science?

5.8 trillion miles = 1 light year. This is used to measure distances between galaxies and stars in space. As the distances are so vast, the measurement itself must be vast.