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    Question

    Why do pulsars appear to flicker when observed from

    Earth?
    A Stars moving towards the Earth Correct Answer Incorrect Answer
    B Rapidly spinning stars Correct Answer Incorrect Answer
    C Stars moving away from Earth Correct Answer Incorrect Answer
    D High temperature stars Correct Answer Incorrect Answer

    Solution

    Pulsars are neutron stars that emit beams of radiation along their magnetic poles. These stars appear to flicker due to their rapid rotation, which periodically aligns their radiation beams with the Earth.

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