Results 1 - 10 for Light-year

Light-year - Wikipedia, the free encyclopedia
A light-year or light year (symbol: ly) is a unit of length, equal to just under 10 13 kilometres. As defined by the International Astronomical Union (IAU), a light-year is the ...
http://wiki.healthhaven.com/Light-year
open  pop

What is a light-year and how is it used??
StarChild Question of the Month for March 2000 Question: What is a light-year and how is it used? Answer: A light-year is a unit of distance. It is the distance that light can ...
http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html
open  pop

light-year - definition of light-year by the Free Online Dictionary ...
light-year also light year (l t yîr) n. 1. The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 10 12) kilometers or 5.88 trillion (5.88 ...
http://www.thefreedictionary.com/light-year
open  pop

light year - definition of light year by the Free Online Dictionary ...
light-year also light year (l t yîr) n. 1. The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 10 12) kilometers or 5.88 trillion (5.88 ...
http://www.thefreedictionary.com/light+year
open  pop

HowStuffWorks "What is a light year?"
What is a light year? ... Please copy/paste the following text to properly cite this HowStuffWorks article:
http://www.howstuffworks.com/question94.htm
open  pop

light-year definition of light-year in the Free Online Encyclopedia.
light-year, in astronomy, unit of length equal to the distance light light, visible electromagnetic radiation . Of the entire electromagnetic spectrum , the human eye is sensitive ...
http://encyclopedia2.thefreedictionary.com/light-year
open  pop

light-year: Definition from Answers.com
also n. The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 10 12 ) kilometers or 5.88 trillion (5.88 × 10 12 ) miles. Informal . A ...
http://www.answers.com/topic/light-year
open  pop

light year definition of light year in the Free Online Encyclopedia.
light year. The distance light travels in one year, which is approximately 5.9 quadrillion miles. Abbreviated "ly," light years are used to measure distances in the universe.
http://encyclopedia2.thefreedictionary.com/light+year
open  pop

Lightyear Network Solutions, LLC
This site requires Mozilla Firefox 1.5 or higher for Linux or Macintosh, and Mozilla or Internet Explorer 6 or higher for Windows.
http://www.lightyear.net/
open  pop

light-year - Definition of light-year at YourDictionary.com
noun. Astron. a unit of distance equal to the distance that light travels in a vacuum in one year, c. 9,460,000,000,000 km (5,880,000,000,000 mi): abbrev.
http://www.yourdictionary.com/light-year
open  pop

Featured Results: