Hubble digs up galactic glow worm

Mar 25, 2013
Credit: ESA/Hubble and NASA, Acknowledgement: Judy Schmidt

(Phys.org) —This charming and bright galaxy, known as IRAS 23436+5257, was captured by the NASA/ESA Hubble Space Telescope. It is located in the northern constellation of Cassiopeia, which is named after an arrogant, vain, and yet beautiful mythical queen.

The twisted, wormlike structure of this galaxy is most likely the result of a collision and subsequent merger of two galaxies. Such interactions are quite common in the universe, and they can range from minor interactions involving a being caught by a , to major galactic crashes. Friction between the gas and dust during a collision can have a major effect on the galaxies involved, morphing the shape of the original galaxies and creating interesting new structures.

When you look up at the calm and quiet it is not always easy to picture it as a dynamic and vibrant environment with entire galaxies in motion, spinning like children's toys and crashing into whatever crosses their path. The motions are, of course, extremely slow, and occur over millions or even billions of years.

The aftermath of these galactic collisions helps scientists to understand how these movements occur and what may be in store for our own Milky Way, which is on a collision course with a neighboring galaxy, Messier 31.

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cantdrive85
1 / 5 (6) Mar 25, 2013
The twisted, wormlike structure of this galaxy is most likely the result of a collision and subsequent merger of two galaxies.


That, or the twisted wormlike feature is a galactic Birkeland current which pinches into a plasmoid at the core of the galaxy.
Blakut
5 / 5 (2) Mar 26, 2013
yes. Or dragons.