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Light-year

en.wikipedia.org/wiki/Light-year

[edit]. Distances between objects within a star system tend to be small fractions of a light year, and are usually expressed in ...

What is a light year? | Space | EarthSky

earthsky.org/space/what-is-a-light-year

Hint: A light-year is a unit of distance, not time. ... Even in light years, measuring distances across the universe becomes unwieldy. But measuring in something ...

What is a light-year and how is it used?? - StarChild - Nasa

starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html

A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second.

What is a light year? | HowStuffWorks

science.howstuffworks.com/dictionary/astronomy-terms/question94.htm

A light year is a way of measuring distance. That doesn't make much sense because "light year" contains the word "year," which is normally a unit of time.

What Is Light Year And Why Is It Used? | Starlab

starlab.com/articles/what-is-light-year-and-why-is-it-used/

Aug 1, 2013 ... If you are studying astronomy, it is worth spending some time in getting facts about this interesting unit of measurement.

Light-Year - Cool Cosmos

coolcosmos.ipac.caltech.edu/cosmic_classroom/cosmic_reference/distance.html

In astronomy, the most commonly used measures of distance are the light year, parsec and astronomical unit. Astronomical Unit (A.U.) An astronomical unit ...

What is a length unit "light year" (ly)

www.aqua-calc.com/what-is/length/light-year

The light year (ly) definition and its relation to other length measurement units. Online unit conversions and unit conversion tables.

1 Light Year - Universe Today

www.universetoday.com/39725/1-light-year/

Sep 10, 2009 ... Because of its great scale, the light year is one of the units of distance used for astronomical .... How Do We Measure Distance in the Universe?

How Far Is A Light Year? - Universe Today

www.universetoday.com/65644/how-far-is-a-lightyear-in-miles/

Apr 22, 2014 ... As the phrase “light year” implies, that's the distance that light travels in a year. ... usually use another unit called the parsec (which is about 3.26 light years). ... more physical sense with respect to how we measure distances.

Light-year - Science Daily

www.sciencedaily.com/terms/light-year.htm

A light-year or lightyear (symbol: ly) is a unit of measurement of length, specifically the distance light travels in a vacuum in one year. While there is no ...

Popular Q&A
Q: The unit light year is a measure of?
A: The answer is Distance.A light-year is a unit of distance. Read More »
Source: wiki.answers.com
Q: The unit light - year is a measure of what?
A: DISTANCE approx 6 trillion miles! The distance light travels in one year! 1 year = 31,556,926 seconds = (pi) x 10^7 s speed of light = 3 x 10^8 m/s distance = 3... Read More »
Source: answers.yahoo.com
Q: The unit light-year is a measurement of what?
A: The distance that light travels in one year Read More »
Source: wiki.answers.com
Q: Is an astronomical unit or light year the larger unit of measure.
A: This may give you some idea how much longer a light year is than an Astronomical Unit: 1 AU = about 500 light. seconds. Read More »
Source: www.answers.com
Q: How do you use astronomical units and light years as measures of ...
A: An astronomical unit is a unit of length based on the average distance between the Earth and the Sun. It is about 150 million kilometres (150 billion metres). W... Read More »
Source: answers.yahoo.com