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JOAN CARTAN-HANSEN, HOST: WHAT

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IS A SUPER MOON?

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THE MOON ORBITS THE EARTH NOT

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IN A PERFECT CIRCE BUT IN AN

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ELLIPSE.

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SOMETIMES IT'S CLOSER TO THE

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EARTH THAN AT OTHER TIMES.

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WHEN IT IS AT ITS FARTHEST

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POINT IN ITS ORBIT THAT'S

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CALLED APOGEE.

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WHEN IT'S AT ITS CLOSEST POINT

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THAT'S CALLED PERIGEE.

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WHEN WE HAVE A FULL MOON AND

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THE MOON IS AT PERIGEE, WE GET

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A SUPER MOON.

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WHEN THAT HAPPENS, THE MOON

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APPEARS ABOUT 14 PERCENT

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LARGER THAN USUAL AND ABOUT 30

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PERCENT BRIGHTER.

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A SUPER MOON ALSO MEANS

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STRONGER TIDES IN THE OCEANS

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ON EARTH.

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SOMETIMES, WE GET A LUNAR

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ECLIPSE AT THE SAME TIME AS A

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SUPER MOON.

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A LUNAR ECLIPSE HAPPENS WHEN

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THE EARTH GETS BETWEEN THE SUN

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AND THE MOON AND THE EARTH

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CASTS A SHADOW ACROSS THE FACE

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OF THE MOON.

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SUPER MOONS HAPPEN THREE OR

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FOUR TIMES A YEAR BUT A SUPER

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MOON LUNAR ECLIPSE IS PRETTY

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RARE.

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THE NEXT SUPER MOON LUNAR

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ECLIPSE WON'T HAPPEN UNTIL

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2033.

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FOR MORE INFORMATION ABOUT THE

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MOON, CHECK OUT THE SCIENCE

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TREK WEBSITE.

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YOU'LL FIND IT AT

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IDAHOPTV.ORG/SCIENCE TREK