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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: A Bar at the Center of the Milky Way
19 December 2011 12:53 pm
Believe it or not, there's a bar in space. But you wouldn't want to order drinks there. New observations led by astronomers at the Cerro Tololo Inter-American Observatory in northern Chile confirm that about 10,000 red giant stars—which are much older and brighter than our sun—orbit the center of the Milky Way, creating what looks like a large cylindrical bar (artist's impression, shown). Other stars in that region of space presumably orbit the galactic center in a similar fashion. The research also suggests that the axis of the bar is pointed almost directly at our solar system, with our sun (which sits in a spiral arm of the Milky Way between one-half and two-thirds of the distance from the galaxy's center toward its edge) lying about 20° off the bar's axis. Perhaps the results will inspire a new drink: The Red Giant.
See more ScienceShots.