Search found 3 matches
- Tue Nov 20, 2007 8:21 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: M31, Andromeda Galaxy - spiral galaxy question (26 Nov 2006)
- Replies: 10
- Views: 5404
spiral galaxy
NGC 4565 is undoubtedly bulgy in the middle and that answers my question about galactic depth. I still wonder, though, if the rotation of a galaxy can create an eye-wall-like effect, a vertical mass of spinning stars and gas. And you are correct, the Andromeda photo was posted on November 26, not 06...
- Tue Nov 20, 2007 3:08 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: M31, Andromeda Galaxy - spiral galaxy question (26 Nov 2006)
- Replies: 10
- Views: 5404
Question about spiral galaxies (APOD 26 Nov 2006)
In images of spiral galaxies like that of Andromeda posted on Nov. 6, 2006, the galaxies look rather like terrestrial hurricanes as seen from space. Do galaxies, like hurricanes, have depth as well as width? Do they have an 'eye wall' structure? Or are they as flat as they appear in photos?
- Mon Jun 12, 2006 8:38 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Edge-on Galaxy NGC 5866, absolutely amazing! (12Jun06)
- Replies: 10
- Views: 5339
Edge-on Galaxy NGC 58661 (APOD 12 Jun 2006)
I was delighted by the June12/06 image of Edge-On Galaxy NGC 5866l, as galaxies are my favourite heavenly bodies. Yet it seems a trifle sad that Charles Messier stuck to dry numbers to identify these spectacular wonders when the whole realm of mythology and poetry was available to him. What is the p...