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HEY STAR FRIENDS -- TRACE HERE. THE 
BRIGHT GAS GIANT JUPITER HAS BEEN

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SHINING FOR THE LAST FEW MONTHS, BUT IT S 
BEEN IN RETROGRADE, THAT ENDS THIS WEEK!

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FIRST WE NEED TO FIND JUPITER, 
SO HIT THE SKIES ANY-TIME

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AT OR AFTER SUNSET AND LOOK SOUTH. 
YOU LL SEE A VERY BRIGHT SPOT.

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RETROGRADE MOTION IS AN ILLUSION. ALL PLANETS 
IN OUR SYSTEM GO IN THE SAME DIRECTION AROUND

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THE SUN, AND NONE ACTUALLY CHANGE DIRECTIONS, 
BUT THEY DO APPEAR TO CHANGE BECAUSE OF OUR

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RELA-TIVE ORBITAL SPEEDS. JUPITER APPEARS 
TO GO RETRO-GRADE FOR ABOUT 120 DAYS A YEAR.

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IT S LIKE PASSING A SLOWER CAR ON A 
RACETRACK. IF YOU RE GOING FASTER,

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THE OTHER CAR COMES CLOSER, THAN APPEARS 
TO REVERSE DIRECTION. ORBITS ARE SIM-ILAR!

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WATCH A PLANET EVERY NIGHT AND IF IT APPEARS TO 
MOVE WEST, IT S IN RETROGRADE MOTION. NOTHING

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BAD WILL HAPPEN TO YOU BECAUSE OF THIS, BUT 
YOU MIGHT LEARN SOMETHING! KEEP LOOKIN UP!