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==External links==
==External links==
*[http://liftoff.msfc.nasa.gov/academy/universe/angstrom.html What Is an Angstrom?]
*[http://liftoff.msfc.nasa.gov/academy/universe/angstrom.html What Is an Angstrom?]
[[category:chemistry]]
[[Category:Chemistry]]
[[category:physics]]
[[Category:Physics]]
[[Category:Units of Measurement]]
[[Category:Units of Measurement]]