character: NASA Curiosity Rover
topic: Exploration of Gale Crater on Mars
grade: 6
subject: Science
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character: Mars Science Laboratory
topic: Mission objectives of Curiosity Rover
grade: 6
subject: Science
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character: Dr. John Grotzinger
topic: Scientific discoveries in Gale Crater
grade: 6
subject: Science
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character: Gale Crater
topic: Geological features and significance on Mars
grade: 6
subject: Science
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