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came from looking through telescopes
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CAME FROM LOOKING THROUGH TELESCOPES
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SCIENTISTS SENT SEVERAL SPACECRAFT TO FLY BY AND STUDY HALLEY'S COMET. THEY HAVE VALUABLE DATA
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THE ESA BEGAN PLANNING ANOTHER MISSION TO A COMET CALLED 67P. THE NEW SPACECRAFT WOULD NOT JUST FLY
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ESA LAUNCHED ROSETTA INTO SPACE. AFTER TEN YEARS, ROSETTA REACHED THE COMET
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BEGAN ITS ORBIT FROM A DISTANCE OF 30 KILOMETERS
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