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DEAN: 
STARS HAVE PERSONALITY.

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00:00:04,004 --> 00:00:05,472
JAMES: 
IT S TRUE!

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THEY VARY IN BRIGHTNESS, SIZE, DISTANCE, AND 
ESPECIALLY COLOR.

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00:00:09,342 --> 00:00:12,078
DEAN: 
STARS CAN BE BLUE, WHITE, YELLOW, ORANGE,

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OR RED AND THEIR COLOR IS AN INDICATION OF 
THEIR TEMPERATURE.

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JAMES: 
FIRST, CHECK OUT BETELGEUSE OVER

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THERE - THE STAR MARKING ORION THE HUNTER S 
ARMPIT.

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BETELGEUSE IS A RED SUPERGIANT STAR WITH 
A COOL SURFACE TEMPERATURE OF ABOUT 5,800

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00:00:26,493 --> 00:00:27,660
DEGREES 
FAHREN-HEIT.

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00:00:27,761 --> 00:00:29,929
DEAN: 
ON ORION S LEFT SHOULDER IS THE STAR BELLATRIX.

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00:00:30,030 --> 00:00:34,634
THROUGH A TELESCOPE, BELLATRIX IS THE DEEPEST 
BLUE AND IS ONE OF THE HOTTEST STARS AT OVER

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38,000 DEGREES.

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00:00:36,202 --> 00:00:39,506
JAMES: 
ALSO CHECK OUT ORION S BELT OF THREE STARS.

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00:00:39,606 --> 00:00:40,707
THEY RE ALL BLUE TOO!

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DEAN: 
THE BRIGHTEST STAR IN THE NIGHT SKY IS THE

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DOG STAR, SIRIUS.

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SIRIUS BLAZES WITH A STARK WHITE LIGHT IN 
THE SOUTH AND A TEMPERATURE OF ABOUT 17,000

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DEGREES.

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JAMES: 
CHECK OUT THE COLORFUL STARS OF SPRING THIS

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00:00:52,852 --> 00:00:53,753
WEEK.

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BOTH: KEEP LOOKING UP!