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Topic: Petametre

Related Topics

Exametre

Zettametre

Terametre

Gigametre

Light year

Megametre

Decametre

Parsec

Hectometre

Length contraction

Astronomical unit

Kilometre

Proxima Centauri

Time dilation

Alpha Centauri

	Petametre (Site not responding. Last check: 2007-11-01)
		A petametre (American spelling : petameter) (symbol: Pm) is a unit of length equal to 10
		Petametres could be used for measuring interstellar distances, but astronomers have been long accustomed to use light-year s and parsec s instead.
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	www.serebella.com /encyclopedia/article-Petametre.html (138 words)

	Petametre (Site not responding. Last check: 2007-11-01)
		A petametre (American spelling: petameter, symbol: Pm) is a unit of length equal to 10
		Petametres could be used for measuring interstellar distances, but astronomers have been long accustomed to using light-years (about 9.5 petametres) and parsecs (about 31 petametres) instead.
		Results from Mirago Search engine for the term: Petametre
	petametre.en.exsugo.org (94 words)

	Definitions of the SI Units and other Units of Measurement (Site not responding. Last check: 2007-11-01)
		One parsec divided by one astronomical unit (the length of the semimajor axis of the Earth's elliptical orbit) is the trigonometric function of the parallax called the cotangent; from this relation we can compute that one parsec equals 206 264.8 au.
		This is the same as 3.261 631 light years, 30.856 78 petametre (30.856 78 x 1012 kilometre).
		The pascal is equal to one newton per square metre or one "kilogram per metre per second per second.
	www.gordonengland.co.uk /conversion/sidef.htm (7411 words)

	Metrication, metric conversion, and other Metrication matters: Why metrication matters
		Here is a complete list of metric units for length:
		yoctometre, zeptometre, attometre, femtometre, picometre, nanometre, micrometre, millimetre, metre, kilometre, megametre, gigametre, terametre, petametre, exametre, zettametre, yottametre
		And here are some examples of non-metric length measures currently in use — this is not a complete list — there are many others.
	www.metricationmatters.com /why_metrication.html (8346 words)

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