added note about the different real life usage of parsec |
JubalHarshaw (talk | contribs) m formatting |
||
| Line 1: | Line 1: | ||
According to the [http://www.chrispappas.com/archives/wguide.html Writer's Guide], dated October 2, 1978, a '''Parsec''' is defined as 90 million miles or 150 million kilometers, the distance from the Earth to the Sun. It is also the equivalent of 10 [[hectar]]s. | According to the [http://www.chrispappas.com/archives/wguide.html Writer's Guide], dated October 2, 1978, a '''Parsec''' is defined as 90 million miles or 150 million kilometers, the distance from the Earth to the Sun. It is also the equivalent of 10 [[hectar]]s. | ||
== | == Notes == | ||
In reality a parsec is the [[wikipedia:Parallax|parallax]] of one arc second, which translates to approximately 206,264 astronomical units (the mean distance between Earth and the Sun) or 3.26 light years. | * In reality a parsec is the [[wikipedia:Parallax|parallax]] of one arc second, which translates to approximately 206,264 astronomical units (the mean distance between Earth and the Sun) or 3.26 light years. | ||
==See also== | ==See also== | ||
Revision as of 19:14, 22 December 2006
According to the Writer's Guide, dated October 2, 1978, a Parsec is defined as 90 million miles or 150 million kilometers, the distance from the Earth to the Sun. It is also the equivalent of 10 hectars.
Notes[edit]
- In reality a parsec is the parallax of one arc second, which translates to approximately 206,264 astronomical units (the mean distance between Earth and the Sun) or 3.26 light years.