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'Matter & Energy' Problem Of Budding Galaxies Solved

Question asked by vignesh in #Coffee Room on Sep 3, 2011
vignesh
vignesh · Sep 3, 2011
Rank D3 - MASTER
Galaxies are one of the most interesting of subjects to study but certainly not the easiest one. A research study by a group of scientists led by Michael Rauch from Carnegie observatory reveals the probable answers for the two most intricate questions - how galaxies take in the matter and how they give off energetic radiations.

Initially when the first galaxy was believed to be formed they emitted energy which excited the nearby hydrogen atoms to such a level that they lost their electrons. This resulted in the formation of ionized plasma that fills the entire university. But so far very little is known about how this high energy escaped from the surrounding of the galaxy. Rauch and his team with the help of Magellan telescope at Las Campanas observatory and photos from the great Hubble discovered a new galaxy.  The specialty of this one is that there is a network of circular light around it. This simply indicates that the galaxy’s energy is escaping and continuously exciting the hydrogen around the halo.

[​IMG]
Magellan Mirror

The possible explanation for such a phenomenon is the distorted shape of the galaxy. It seems that the galaxy had been recently hit by another one eventually creating a hole in the halo and hence allowing the radiations to get through.

In the early days of the universe when it was denser, chances of occurrence of such collisions were more than they are today. “The loss of radiations during galactic interactions and collisions like the one seen here may be able to account for re-ionization of universe”, says Rauch.

Perhaps the answer to yet another question is the result of this study: the flow of matter.  As in the present case the escaping radiation provides a way for the inflow of gases, which along with them bring the matter into the galaxy. This galactic study provides answer to our questions which in due course will help us to learn even the greater details and complexities of the universe and beyond.

Source: Science Daily Posted in: #Coffee Room

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