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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: Neighboring Solar System Resembles Ours
24 August 2010 1:13 pm
Astronomers have found the most populous alien solar system yet—and it looks a bit like ours. In a study published this month in Astronomy & Astrophysics, researchers say they have confirmed five new planets orbiting HD 10180, a star located only 127 light-years away in the southern constellation Hydrus. The team made the observations by tracking subtle changes in the wavelengths of the solar system's sun, caused when the planets gravitationally tug on the star. They've also uncovered evidence for two more bodies: a Saturn-sized world and an Earth-sized, rocky world, which, if verified, would have the smallest mass of any extrasolar planet yet found. But don't book spaceship passage just yet. That planet orbits 3 million kilometers from its star, just 1/20th of the distance of Mercury from our sun.
See more ScienceShots.