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galaxy evolution

Surprise! Galaxies Still Evolving in Present Universe

October 19, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter A giant spiral of gas dust and stars, Messier 101 spans 170,000 light-years and contains more than a trillion stars. Astronomers have uncovered a surprising trend in galaxy evolution where galaxies like M101 and the Milky Way Galaxy continued to develop [...]

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Bright Stars Don’t Like to Be Alone

July 26, 2012

Caption: New research using data from European Southern Observatory telescopes, including the Very Large Telescope, has revealed that the hottest and brightest stars, known as O stars, are often found in close pairs. Credit: ESA, NASA, H. Sana (Amsterdam University), and S.E. de Mink (STScI) Like humans, stars seem to prefer the company of companions. [...]

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The Care And Feeding Of Teenage Galaxies… And By The Way, They Need Gas

March 14, 2012

Got a teenager? Then you know the story. Go to look for your favorite bag of chips and they’re gone. You eat one portion of meat and they need three. If you like those cookies, then you better have a darn good place to stash them. And, while you’re at it, their car needs gas. [...]

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FourStar Service: Red Galaxy Cluster Hides In Plain Sight

March 7, 2012

Located some 10.5 billion light years away in the general direction of the constellation of Leo, the most distant cluster of red galaxies so far discovered has been hiding in plain sight… until now. Thanks to the advanced observing techniques of FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope, we’re [...]

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Galactic Archaeology: NGC 5907 – The Dragon Clash

February 23, 2012

The sprawling northern constellation of Draco is home to a monumental galactic merger which left a singular spectacle – NGC 5907. Surrounded by an ethereal garment of wispy star trails and currents of stellar material, this spiral galaxy is the survivor of a “clash of the dragons” which may have occurred some 8 to 9 [...]

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