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Astronomers Probe 'Sandbar' Between Islands of Galaxies.

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posted on Nov, 25 2010 @ 04:28 PM

Astronomers have caught sight of an unusual galaxy that has illuminated new details about a celestial “sandbar” connecting two massive islands of galaxies. The research was conducted in part with NASA’s Spitzer Space Telescope.

Now these observations have been bolstered by the discovery, inside this same filament, of a galaxy that has a rare boomerang shape and unusual light emissions. Hot gas is sweeping the wandering galaxy into this shape as it passes through the filament, presenting a new way to gauge the filament’s particle density. Researchers hope that other such galaxies with oddly curved profiles could serve as signposts for the faint threads, which in turn signify regions ripe for forming stars.

“These filaments are integral to the evolution of galaxy clusters — among the biggest gravitationally bound objects in the universe — as well as the creation of new generations of stars,” said Louise Edwards, a postdoctoral researcher at the California Institute of Technology in Pasadena, and lead author of a study detailing the findings in the Dec. 1 issue of the Astrophysical Journal Letters. Her collaborators are Dario Fadda, also at Caltech, and Dave Frayer from the National Science Foundation’s National Radio Astronomy Observatory, based in Charlottesville, Virginia.

Unusual to say the least.
The two 'jets' release a surprising amount of infrared light, which makes it stand out.
Unusual lights, rare boomerang shape, amongst the biggest gravitationally objects in our universe.
The universe sure is amazing when you look at some of the discovery's made. It's like an ocean, the deeper you get, the more you discover.

edit on 25-11-2010 by Oozii because: Font Fix.


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