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Published byHelena Stevens Modified over 8 years ago
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U SING C ONSTELLATIONS
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F IND THE B IG D IPPER
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E ASY !
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F IND THE BIG DIPPER NOW ?
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S TILL EASY ?
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C AN YOU SPOT P OLARIS ?
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I S THIS IT ? ??
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P OLARIS IS NOT A BRIGHT STAR... NOPE!
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W HY B IG D IPPER ? It is fairly easy to recognize It is seen year round in the northern hemisphere – just look to the north! Astronomers and navigators have been using it to guide the night skies for a long time It also helps us locate Polaris
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W HAT SO SPECIAL ABOUT P OLARIS ? Our Pole Star It is directly above our North Pole All stars seem to “go around” Polaris
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V IEW OF THE S TARS
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L ET ’ S F IND P OLARIS ON YOUR MAP !
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S TART WITH U RSA M AJOR
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F IND THE B IG D IPPER
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T HE B IG D IPPER IS PART OF U RSA M AJOR
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F IND THE “ LIP ” OF THE B IG D IPPER LIP!
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I T POINTS YOU TO P OLARIS
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E ASY ! POLARIS!
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P OLARIS IS THE BRIGHTEST STAR IN U RSA M INOR Big Dipper Ursa Minor Polaris
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U SING C ONSTELLATIONS We use constellations to help guide us in the night sky The Big Dipper is not an official constellation, but rather an asterism.
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F IND THE B IG D IPPER
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A STERISMS Asterisms are star patterns in the night sky that are easily recognizable Some other examples: Orion’s Belt The “W” Summer Triangle Winter Triangle Fish Hook (Scorpious)
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O RION ’ S B ELT
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F INDING S IRIUS Sirius is the BRIGHTEST star in the night sky!
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“W” OF C ASSIOPEIA
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F INDING THE A NDROMEDA G ALAXY
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S UMMER T RIANGLE
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W INTER T RIANGLE
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F ISH H OOK (S CORPIO )
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