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News Release 10-155

Distant Star's Sound Waves Reveal Cycle Similar to Sun

Star known as HD49933 is located 100 light years away from Earth

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

Scientists used "stellar seismology" to monitor a distant star's acoustic fluctuations.

Credit: Institute of Astrophysics of the Canaries (IAC)


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By monitoring a star's sound waves, scientists have found a cycle similar to the Sun's.

Credit: NCAR

 

Cover of the August, 27, 2010 issue of the journal Science.

The researchers' findings were published in the August 27, 2010 issue of the journal Science.

Credit: Copyright 2010 AAAS


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