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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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ScienceShot: Why Is This Galaxy Lopsided?
4 May 2011 6:00 am
A new image of the distant Meathook Galaxy, which gets its name from its dramatically warped profile, reveals widespread patches of glowing gas that betray bursts of star formation. The pinkish and reddish clumps of glowing hydrogen, ionized by the powerful radiation of newborn stars nearby, can be seen across most of the galaxy but are particularly prominent in the longer of the galaxy's two spiral arms, researchers report online today. Astronomers previously have suggested that the asymmetrical shape of the Meathook Galaxy, dubbed NGC 2442 and located about 50 million light-years away in the constellation Volans (also known as the Flying Fish), stems from gravitational interactions with another, as-yet-unidentified galaxy that passed nearby. The same tidal forces that deformed the mass of stars probably disrupted clouds of gas in the galaxy, causing them to collapse and triggering the spate of star birth, the researchers say.
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