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{{r|Light year}}

{{r|Light year}}

{{r|Light year}}

{{r|Light year}}

{{r|Light year}}

...pproximately 25 times the diameter of our younger [[Sun]]. Just under 37 [[light year]]s from [[Earth]], it is the brightest star in the northern part of the [[s

{{r|Light year}}

{{r|Light year}}

...ar system, it is more convenient to use [[light year]]s or [[parsec]]s. (A light year is 64,241 AU, and a parsec is 206,260 AU.)

Proxima Centauri is the closest star to earth, located about 4.2 [[Light year | light years]] from earth. <ref name=NASA/><ref name=nearestStars/>

* 1 parsec = 3.2616 [[light year]]

...ef>) is a spiral [[Galaxy (astronomy)|galaxy]] approximately 2.5 million [[Light year|light years]] away from Earth. The furthest galaxy, by comparison, is about | distance_ly =2.5-2.9 million [[Light year|light years]]

: [[Light year]]s

...ravity]]. Most galaxies are several thousand to several hundred thousand [[light year]]s in diameter and are usually separated from one another by distances on t

...is roughly 38 AU from the Sun while Jupiter lies at roughly 5.2 AU. One [[light year]], the best known unit of interstellar distance, is roughly 63,240 AU. ...a [[barred spiral galaxy]] with a diameter of about [[1 E20 m|100,000]] [[light year]]s containing about 200 billion stars.<ref>{{cite web|title=Magnetic fields