AntiMatter Lurking in our Milky Way

Antimatter energy

New research suggests the possibility of antimatter lurking in our Milky Way. A gamma-ray map of the Milky Way indicates fourteen multicolored celestial sources of gamma-ray which are expected to be antistars – stars made up of antimatter.

Antimatter is the opposite of the regular matter that exists in our universe. In antimatter, every single particle is an alternate twin of that existing in the matter. They have the exact mass, spin, and every other thing but except the charge is different. It has previously been considered that antimatter didn’t really exist in our universe. However, recently, Astronomers have speculated clues regarding the evidence of the antistars in our universe and they are onto calculating how many of them actually exist.

When the matter and antimatters meet, a burst of energy is produced which gives off gamma rays. Research reports indicate that this phenomenon may most expectedly on the antimatter’s surface since the heir gravity attracts the normal matter from interstellar space.

It is believed when the universe was created, matter and antimatter were created in equal amounts. However, as time passed, some phenomena occurred which led to the antimatter particles being less compared to the matter particles overshadowing them until there was almost no matter left in our universe. Scientists have been researching different possibilities regarding antimatter as theoretically there is still antimatter in the universe that survived in the form of stars.

Therefore, a team of Astronomers studied 10 years of data from the Fermi Space Telescope. They examined around 5800 gamma-ray sources that they expected could be antistars. Among other objects that also give out gamma rays like a pulsar or black hole, the researchers focused on those that had a light spectrum similar to what would result from the burst of energy via matter-antimatter collision and on those that came from a single point. Among these thousands of sources, 14 points of light gave off gamma rays with energies expected of matter-antimatter annihilation.

Based on the observations and sensitivity of the Fermi telescope, the Astronauts calculated the number of stars that could exist in the Milky Way. Now there are two theories.

One is that antistars exist within the plane of the Milky Way. In that case, only one antistar exists for every 400,000 normal stars. While the second is that antistars tend to exist outside the plane. In that case, there could be up to one antistar among 10 normal stars.

However, there is some abnormality that lies with the following research because proving that a certain celestial object is antimatter is difficult. Besides Gamma Rays from matter-antimatter annihilation, the light given off by antistars could be similar to the one given off by normal stars.

The research until now implies that some amount of antimatter may exist in our universe in isolated pockets of space. However, physicists doubt that if antimatter exists it will not be equivalent to the existing matter.

 
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