PULSARS – NEUTRON STARS

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Neutron stars

The universe is a vast space that has no end. Beautiful objects bring sighs to the observer. Fascinating comet passages, distant planetary nebulae, galaxies – incredibly beautiful scenes and experiences. And time and time again all these beautiful space objects bring delight to the observer. The beautiful objects that exist in deep space are neutron stars. If you’re not one of those who follow this, then you’ve probably seen neutron stars in photos of distant nebulae. Neutron stars are located in the center of nebulae – where massive stars once existed. Over time, these stars (by burning fuel) became neutron stars. They were not massive enough to become black holes, but they are still very massive and dense objects. A neutron star combines protons and electrons into neutrons, and is named after it. They have strong magnetic fields and rotate extremely fast. These neutron stars also have a name – pulsars

Pulsars

Pulsars are types of neutron stars that are approximately 10 kilometers large. They spin very fast, and can achieve incredibly high speeds. When they rotate, they emit strong electromagnetic radiation in the direction of rotation. This radiation on Earth is detected as radio waves, and due to the narrow beam of waves and the rotation of the pulsar – the listener has the impression that this space object is pulsing. The first pulsar (PSR B1919 + 21) was discovered in 1967, and the closest to Earth is PSR J0108-1431 – at a distance of 424 light-years. With a rotation period of 0.00139595 seconds, the PSR J1748-2446ad is the fastest pulsar, and is 18,000 light-years from Earth. Over time, pulsars lose energy, the magnetic field weakens, and after 10 to 100 million years they become neutron stars.

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