History of Light/Talk

	Revision 9 . . November 4, 2001 1:28 am by Josh Grosse
	Revision 8 . . (edit) November 3, 2001 8:17 pm by (logged).37.81.xxx [Light-years?]

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Are light-years really the prefered unit in Astronomy? I have heard that they are mostly used in popular science articles, but real astronomers use Parsecs instead. I'm not a real astronomer, so i can't vouch for this. -- Geronimo Jones.

Are light-years really the prefered unit in Astronomy? I have heard that they are mostly used in popular science articles, but real astronomers use Parsecs instead. I'm not a real astronomer, so i can't vouch for this. -- Geronimo Jones. The star and galaxy catalogs tend to use parsecs rather than light-years, so I'd guess it's a safe bet.