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Gigameter

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Wikipedia.png This page uses content from the English Wikipedia. The original article was at Gigameter. The list of authors can be seen in the page history. As with the Units of Measurement Wiki, the text of Wikipedia is available under Creative Commons License see Wikia:Licensing.


The gigameter (Gm) is a unit of length in the International System of Units, defined as 109 meters using the SI prefix system. Gigameters are rarely seen in practical use. They are too big for any terrestrial lengths, but the unit can be used in astronomy, like a planet's distance from its star. However gigameter-scale distances are usually specified in astronomical units (AU) or in (millions of) kilometers.

The following planets list average distances from the Sun in gigameters:

Other examples of the uses of gigameters:










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