Back to Home

God & Science Forum Message

Forums: Atm · Astrophotography · Blackholes · Blackholes2 · CCD · Celestron · Domes · Education
Eyepieces · Meade · Misc. · God and Science · SETI · Software · UFO · XEphem
RSS Button

Home | Discussion Forums | God and Science | Post
Login

Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place...
The Space and Astronomy Agora
I Really Do Not Understand This.

Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To
Posted by Alexander on January 17, 2002 22:43:54 UTC

Galaxies are different than particles - they consist of more particles. Interparticle interaction makes them behave the way they (galaxies) do. So, how can we use, say SO(3) symmetry of rotations in 3 dimensions (which is good for elementary particle because we assume that the particle is symmetric in all directions) for a galaxy? Galaxies are different - some indeed are spherically symmetric, but most not. We may ASSUME that they are all spherically symmetric or are cylindrically symmetric, and get some number out of this assumption, but this number will match the reality only as good as our original assumption does.

So, I do not know what exactly you mean by asking why can't we use method 2 for galaxies. We can. But what are original "axioms" to start with?


Follow Ups:

Login to Post
Additional Information
Google
 
Web www.astronomy.net
DayNightLine
About Astronomy Net | Advertise on Astronomy Net | Contact & Comments | Privacy Policy
Unless otherwise specified, web site content Copyright 1994-2018 John Huggins All Rights Reserved
Forum posts are Copyright their authors as specified in the heading above the post.
"dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET"
are trademarks of John Huggins