Which of the following are thought to be rapidly rotating neutron stars with intense magnetic fields?

a. pulsars
b. white dwarfs
c. black holes
d. flare stars
e. accretion disks

a. Pulsars are thought to be rapidly rotating neutron stars with intense magnetic fields.

Pulsars are magnetic rotating neutron stars which emit electromagnetic radiation in their magnetic poles. The neuron stars are stars that have collapsed after depleting their source of energy. The emission of radiation is only visible when the emission beam is pointing in earth's direction.

The rotation periods of the neuron stars are regular facilitating for easy measurement of time between pulses. The time recorded ranges from milliseconds to second. Astronomers have studied pulsars to confirm the presence of gravitational radiation.

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