Astronomical mystery with the mysterious Fermi bubble solved

(ORDO NEWS) — A glowing ball called the Fermi Bubble was found in space in 2010. Since then, scientists have tried to understand what it is.

A new study published in Nature Astronomy says the orb is caused by gamma rays emitted by rapidly rotating extreme stars called millisecond pulsars.

They are located in a dwarf galaxy in the constellation Sagittarius. It is reported by Space.com.

The Sagittarius Dwarf Galaxy is a satellite galaxy orbiting the Milky Way. This is the remnant of a much larger galaxy that was literally torn apart by the strong gravitational field of the Milky Way.

According to the source, the stars “stretched” from the galaxy in Sagittarius can be found in the “tails” that wrap around the entire sky.

Millisecond pulsars are the remnants of certain stars much more massive than the Sun. They revolve around another star.

Under the right circumstances, such binaries produce a neutron star, an object about the same weight as the Sun, but only about 20 km across. It rotates hundreds of times per second.

Because of their rapid rotation and strong magnetic fields, stars act like natural particle accelerators, launching extremely high-energy particles into space.

These particles then emit gamma rays. “We found that millisecond pulsars in a dwarf galaxy in Sagittarius were the main source of the mysterious bubble,” the scientists conclude.

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