Highly Magnetised rotating Neutron Star-
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Pulsar
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Quasar
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Moonlet
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Hubble Star
A
Correct answer
Explanation
A pulsar is indeed a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles. These beams are observed as regular pulses when they sweep past Earth, hence the name 'pulsating star'. Quasars are different - they're active galactic nuclei, not neutron stars.