A light-year is a unit of length used informally to express astronomical .... is also
used occasionally for approximate measures.
Feb 20, 2013 ... Hint: A light-year is a unit of distance, not time. ... A light-year is how astronomers
measure distance in space. It's defined by how far a beam of ...
Aug 1, 2013 ... Light year is used to measure the distance in space. ... using normal units of
miles and kilometres, astronomers use light year to interpret it.
Dec 7, 2011 ... We don't directly measure distances to anything light years away by timing light. "
Light year" is just a unit of distance like a mile or kilometer.
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.
One light year is a distance measurement equivalent to six trillion miles. ...
measure some astronomical distances in light-years and some in astronomical
Astronomical units are usually used to measure distances within our solar system
. ... 1 Astronomical Unit (A.U.) is the average distance between the Sun and the
Earth. ... 1 light-year (ly) is the distance that light travels in one year in a vacuum.
The light year (ly) definition and its relation to other length measurement units.
Online unit conversions and unit conversion tables.
A Light-year is a unit of distance. ... is the fundamental "yardstick" for measuring
distance: all distance is ultimately measured in terms the speed of light and time.
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 ...