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Stars generally spin, because the material that fell into the center of the solar nebula wasn't perfectly aimed toward the center. As they collapsed, the nebula started spinning, conserving the angular momentum. When things shrink, in order for the total angular momentum to be maintained, they need to spin more quickly.

Our Sun is relatively typical, we believe, and spins once in about 26 days. If the Sun were to collapse into a neutron star (which it can't, because it isn't massive enough) it would need to spin about 5 times PER SECOND to have the same angular momentum. For most neutron stars, that's about how fast they spin.

If material falls to the surface of the neutron star, it will produce pulses of x-rays at that rate; we call this a "pulsar". You could call it a "flashing neutron star", and be mostly correct.

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13y ago
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4mo ago

A flashing neutron star is a neutron star that exhibits periodic changes in brightness or emission of radiation. This can be caused by various mechanisms such as the rotation of the star and its magnetic field interacting with surrounding material. These variations in emission can provide valuable information about the star's properties and the surrounding environment.

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pulsar

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Q: What is A flashing nutron star?
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