The star called “cosmic monster” emits the energy of a billion solar rays

The universe is made up of several entities that produce a energy flow beyond the comprehension of astrophysicists. Recently, scientists announced that a star exploded violently by spitting out an amount of energy equivalent to that of a billion solar rays. Known as magnetar, this neutron star has an extremely powerful magnetic field.

In addition, it is common for these cosmic monsters to experience a sudden and unexpected rash. Although they are brighter than the sun, they explode briefly and unpredictably. Therefore, astrophysicists find it difficult to spot them in order to study them better.

Fortunately, astronomers recently picked up one of these detonations and determined the fluctuations in the light of an erupting magnetar. They found that this distant star emitted the same energy as the sun (in 100,000 years) in a tenth of a second.

A very dense, magnetic and luminous neutron star

A magnetar comes from the disintegration of a giant star at the end of its life cycle. Stars with neutrons are so dense that the amount of matter equivalent to that of sugar would weigh more than 1 billion tonnes. According to NASA information, the gravitational force of this celestial object is so strong that the passage of a marshmallow would strike its surface. The power of the impact would therefore be equal to a thousand hydrogen bombs.

Unlike neutron stars, magnetars have a a thousand times stronger magnetic field. They surpass in power all the other magnetic bodies existing in the universe. Additionally, Alberto J. Castro-Tirado, the study’s main instigator, pointed out that the sun is insignificant compared to these bright, dense stars, even without an eruption.

“Even when they are inactive, magnetars are sometimes a hundred thousand times brighter than the sun”

Mr. Castro-Tirado.

A true cosmic monster

This huge eruption was picked up by the Atmosphere-Space Interaction Monitoring System (ASIM).

“The magnetar behind this short eruption is located in the heart of the Sculptor galaxy, a spiral universe that is nearly 13 million light years from Earth, and truly represents a cosmic monster. “

Victor Reglero, co-author of the study.

The explosion detection by an AI integrated into ASIM allowed us to analyze this short and violent peak of energy. This supernova lasted only 0.16 seconds, followed by a rapid decrease in signal. The data was almost indistinguishable from the background noise. According to the researchers, it is possible that this type of gush is caused by stellar tremors disturbing the outer walls of the magnetars.


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