Magnetars UPSC NOTE

 What is Magnetars

  • A magnetar is a type of neutron star with an extremely powerful magnetic field.

  • Its a thousand times stronger than that of a normal neutron star. 

  • This incredibly strong magnetic field can cause a number of strange and violent phenomena.

  1. Giant flares: Magnetars can release sudden bursts of energy that are billions of times brighter than the Sun. These flares can be so powerful that they can disrupt communications and even cause power outages on Earth.

  2. X-ray and gamma-ray bursts: Magnetars can also emit bursts of X-rays and gamma rays that

are among the most energetic events in the universe. 

  1. Fast radio bursts (FRBs): Magnetars are thought to be one of the possible sources of FRBs, which are millisecond-duration bursts of radio waves that are billions of times brighter than the Sun. FRBs are a mystery to scientists, and their exact origin is still unknown.

  • Magnetars are very rare celestial objects. 

  • Only about 30 of them have been discovered so far. 

  • They are thought to form when a massive star collapses and forms a neutron star

  • The intense magnetic field of a magnetar is thought to be generated by the rapid rotation of the neutron star.

  • Magnetars are fascinating objects that are still not fully understood. 

  • Scientists are continuing to study them in order to learn more about their nature and the strange phenomena they produce.

What is LISA?

  • LISA stands for Laser Interferometer Space Antenna (LISA). 

  • It is a space-based gravitational wave detector

  • Development by the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA).

  • LISA is a three-satellite constellation that will orbit the Sun about 2.5 million miles from Earth.

  • The satellites will be arranged in an equilateral triangle, and they will use laser beams to measure the tiny changes in the distance between them caused by gravitational waves



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Magnetars UPSC NOTE
Magnetars UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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