Image of the day

From the
ATWB Customer Gallery

Great Horned Owl

My Account

New to Astromart?

Register an account...

Need Help?

A New Twist on an Old Nebula

12/16/2004 12:00AM

A New Twist on an Old Nebula

Looks can be deceiving, especially when it comes to celestial objects like galaxies and nebulas. These objects are so far away that astronomers cannot see their three-dimensional structure. The Helix Nebula, for example, resembles a doughnut in colorful images. Earlier images of this complex object — the gaseous envelope ejected by a dying, sun-like star — did not allow astronomers to precisely interpret its structure. One possible interpretation was that the Helix's form resembled a snake-like coil...


Comments:

There are no comments yet.