A light-year is a unit of length used informally to express astronomical .... is also
used occasionally for approximate measures.
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 ...
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.
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.
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 ...
Sep 10, 2009 ... A light year is the distance light can travel in vacuum in one year's time. ... For
comparison, consider the circumference of the Earth when measured at the
equator: ... Because of its great scale, the light year is one of the units of ...
In astronomy, the most commonly used measures of distance are the light year,
parsec and astronomical unit. Astronomical Unit (A.U.) An astronomical unit ...
The original article was at Light-year. The list of authors can be seen in the page
history. As with the Units of Measurement Wiki, the text of Wikipedia is available ...
May 10, 2015 ... Light year to Earth's orbit ratio The light year is used to measure ... to the sun (93
million miles) as the standard for one astronomical unit (1 AU).
... in light years. Rather, they measure them in a unit called the http://... ... How
come Unit of distance "LIGHT YEAR" got its name from unit of time? How are ...