Convert 4,200 Light Years to Astronomical Units
How far is 4,200 light years? How long is 4.2 thousand light years in astronomical units? 4,200 ly to AU conversion.
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4,200 Light Years ≈
265,612,524 Astronomical Units
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Result in Plain English
4,200 light years is equal to about 266 million astronomical units.
In Scientific Notation
4,200 light years
= 4.2 x 103 light years
≈ 2.65613 x 108 astronomical units
Light Years
A light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. A light year is defined as exactly 9,460,730,472,580.8 kilometers.
Astronomical Units
An astronomical unit is the average distance between the Earth and the Sun. Estimates of this distance have varied over time. It is now defined as exactly 149,597,870.7 kilometers.