a non-metric unit of distance equal to one billion parsecs, 3.2616 billion light years, or 30.856 78 zettameters (30.856 78 x 1021 kilometers). The unit is used in astronomy.

Dictionary of units of measurement. 2015.

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  • Gigaparsec — Parsec Pour les articles homonymes, voir Parsec (homonymie). Le parsec (symbole pc) est une unité de longueur utilisée en astronomie. Son nom vient de la contraction de « parallaxe seconde ». Cette unité résulte de l’utilisation d’une… …   Wikipédia en Français

  • gigaparsec — noun A distance of 10 parsecs …   Wiktionary

  • Parsec — For other uses, see Parsec (disambiguation). 1 parsec = SI units 30.857×10^12 km 30.857×10^15 m Astronomical units 206.26× …   Wikipedia

  • Astronomical unit — This article is about unit of length. For the full system of units, see Astronomical system of units. 1 astronomical unit = SI units 149.60×10^6 km 149.60×10^9 m Astronomical units 4.8481 …   Wikipedia

  • Longest word in English — The identity of the longest word in English depends upon the definition of what constitutes a word in the English language, as well as how length should be compared. In addition to words derived naturally from the language s roots (without any… …   Wikipedia

  • Orders of magnitude (length) — Contents 1 Detailed list 1.1 Subatomic 1.2 Atomic to cellular 1.3 Human scale 1.4 …   Wikipedia

  • GPC — may refer to: TOC In computing and technology* General Purpose Computer, aboard the Space Shuttle * Get/Post/Cookie, which are three methods of transferring information between dynamic web pages in PHP * Global Path Cache * GNU Pascal, a compiler …   Wikipedia

  • Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …   Wikipedia

  • Light-year — For other uses, see Light year (disambiguation). Image showing the scale of a light year (outer shell) and a light month (inner shell) surrounding the Sun compared to Comet 1910 A1 s orbit (yellow line) and Comet Hyakutake s orbit (orange line).… …   Wikipedia

  • Astropulse — is a distributed computing project that uses volunteers across the globe to lend their unused computing power to search for primordial black holes, pulsars, and ETI. Volunteer resources are harnessed through Berkeley Open Infrastructure for… …   Wikipedia

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