Search found 3 matches

by kass williams
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: 5295

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...
by kass williams
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: 5295

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?
by kass williams
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: 5243

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...