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- Thu Oct 06, 2005 9:59 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Spiral Galaxies
- Replies: 9
- Views: 3937
The analogy of a galaxy with a hurricane is interesting in more than one way. We can see a hurricane because, although it is mostly air, it also contains a lot of water and other matter sucked up from the ocean it passes over. When you look at a picture of a spiral galaxy there is usually a bright b...