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  2. Wall-E, Optimus Prime, R2-D2.. pop culture is full of helpful robots.

    Wall-E, Optimus Prime, R2-D2.. pop culture is full of helpful robots.

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  3. nasa Wall-E, Optimus Prime, R2-D2... pop culture is full of helpful robots

    nasa Wall-E, Optimus Prime, R2-D2... pop culture is full of helpful robots

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  5. How NASA Uses Gravity and Radio Waves to Study Planets and Moons

    How NASA Uses Gravity and Radio Waves to Study Planets and Moons

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  6. How NASA Uses Gravity and Radio Waves to Study Planets and Moons

    How NASA Uses Gravity and Radio Waves to Study Planets and Moons

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  7. Do robots help humans in space?

    Do robots help humans in space?

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