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pgnameArray[arrayIndex++] = '01  Lesson Introduction';
pgnameArray[arrayIndex++] = '02  The Solar System';
pgnameArray[arrayIndex++] = '03  Our Place in the Galaxy';
pgnameArray[arrayIndex++] = '04  Planets in Our Solar System';
pgnameArray[arrayIndex++] = '05  Distance of Planets from the Sun';
pgnameArray[arrayIndex++] = '06  Progress Question';
pgnameArray[arrayIndex++] = '07  Gravity';
pgnameArray[arrayIndex++] = '08  Gravity and its Effect on Planets';
pgnameArray[arrayIndex++] = '09  Gravity and Orbits';
pgnameArray[arrayIndex++] = '10  Newton’s Thought Experiment';
pgnameArray[arrayIndex++] = '11  Orbits';
pgnameArray[arrayIndex++] = '12  Progress Question';
pgnameArray[arrayIndex++] = '13  Comets';
pgnameArray[arrayIndex++] = '14  Gravity: Satellites';
pgnameArray[arrayIndex++] = '15  The Speed of a Satellite';
pgnameArray[arrayIndex++] = '16  Geostationary Satellites';
pgnameArray[arrayIndex++] = '17  Progress Question';
pgnameArray[arrayIndex++] = '18  Stars';
pgnameArray[arrayIndex++] = '19  Progress Question';
pgnameArray[arrayIndex++] = '20  Later Stages in a Star’s Life';
pgnameArray[arrayIndex++] = '21  Larger Stars';
pgnameArray[arrayIndex++] = '22  Supernovas';
pgnameArray[arrayIndex++] = '23  Progress Question';
pgnameArray[arrayIndex++] = '24  The Origin of the Universe';
pgnameArray[arrayIndex++] = '25  The Big Bang Theory';
pgnameArray[arrayIndex++] = '26  Red Shift';
pgnameArray[arrayIndex++] = '27  Proof of the Big Bang';
pgnameArray[arrayIndex++] = '28  Progress Question';
pgnameArray[arrayIndex++] = '29  Extraterrestrial Life';
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pgnameArray[arrayIndex++] = '01  Lesson Introduction';
pgnameArray[arrayIndex++] = '02  The Solar System';
pgnameArray[arrayIndex++] = '03  Our Place in the Galaxy';
pgnameArray[arrayIndex++] = '04  Planets in Our Solar System';
pgnameArray[arrayIndex++] = '05  Distance of Planets from the Sun';
pgnameArray[arrayIndex++] = '06  Progress Question';
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pgnameArray[arrayIndex++] = '09  Gravity and Orbits';
pgnameArray[arrayIndex++] = '10  Newton’s Thought Experiment';
pgnameArray[arrayIndex++] = '11  Orbits';
pgnameArray[arrayIndex++] = '12  Progress Question';
pgnameArray[arrayIndex++] = '13  Comets';
pgnameArray[arrayIndex++] = '14  Gravity: Satellites';
pgnameArray[arrayIndex++] = '15  The Speed of a Satellite';
pgnameArray[arrayIndex++] = '16  Geostationary Satellites';
pgnameArray[arrayIndex++] = '17  Progress Question';
pgnameArray[arrayIndex++] = '18  Stars';
pgnameArray[arrayIndex++] = '19  Progress Question';
pgnameArray[arrayIndex++] = '20  The Origin of the Universe';
pgnameArray[arrayIndex++] = '21  The Big Bang Theory';
pgnameArray[arrayIndex++] = '22  Progress Question';
pgnameArray[arrayIndex++] = '23  Extraterrestrial Life';
pgnameArray[arrayIndex++] = '24  Lesson Summary';
}