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DEAN: 
THIS WEEK WE WANT TO INTRODUCE YOU TO A

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PAIR OF STARS WITH HIDDEN SECRETS.

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JAMES: 
WERE TALKING ABOUT ALTAIR AND FOMALHAUT.

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JAMES: 
AT ONLY 17 LIGHT YEARS AWAY, ALTAIR IS ONE

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OF OUR CLOSEST STARS AND ALTHOUGH ALTAIR LOOKS 
LIKE A NORMAL WHITE STAR IT HAS A

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HIDDEN SECRET.

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DEAN: 
ALTAIR SPINS AT OVER

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286 KILOMETERS PER SECOND!

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THAT SPINNING IS SO FAST THAT IT ACTUALLY 
SQUISHES

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THE ENTIRE STAR AT 
THE POLES!

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THEN LOOK SOUTH AT 10:00 P.M.-- 
YOU'LL SEE ONLY ONE BRIGHT STAR.

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THIS IS FOMALHAUT THE BRIGHTEST STAR IN THE 
CONSTELLATION OF

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PISCIS AUSTRALIS OR THE SOUTHERN FISH.

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JAMES: 
ASTRONOMERS PHOTOGRAPHED THE FIRST EVER PLANET

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AROUND FOMALHAUT.

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YOU HAVE TO REALLY SQUINT, 
BUT THERE IT IS.

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ASTRONOMERS HAVE DISCOVERED THOUSANDS OF PLANETS 
AROUND OTHER STARS BUT THIS

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IS ONE OF THE FEW WHERE WE HAVE A PICTURE 
OF IT.