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Is A Light-Year An Si Unit? [Solved]
As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year (365.25 days) .Light-year1 ly in
is equal to metric (SI) units9.4607×1015 m 9.46075 Pmimperial and US units5.8786×1012 miastronomical units63241 au 0.3066 pc7 more rows
Light year is a unit of
Light year
Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies …
What is a Light Year?
this is a short description of one of the
