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Distant Star's Sound Waves Reveal Cycle Similar to Sun

Posted Aug 26 2010 1:04pm

Illustration of the CoRoT satellite measuring the acoustic fluctuations of a star.

In a bid to unlock long-standing mysteries of the sun, including the impacts on Earth of its 11-year cycle, an international team of scientists has successfully probed a distant star.

By monitoring the star's sound waves, the team has observed a magnetic cycle analogous to the sun's solar cycle.

Results of the study, conducted by scientists at the U.S. National Center for Atmospheric Research (NCAR) in Boulder, Colo., and colleagues in France and Spain, are published this ...

More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=117554&WT.mc_id=USNSF_51&WT.mc_ev=click


This is an NSF News item.

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