AntiparticlesĪntiparticles that make up an antimatter atom are the positron (anti-electron), anti proton and antineutron. Their chemical characteristics are the same, as long as they react with other antimatter atoms. The atoms appear similar, except with opposite electrical charges. Useful tool: Units ConversionĪntimatter atoms consist of antiparticles. Is there any antimatter in the Universe?.What happens when matter and antimatter combine?.
Although our part of the Universe is made up of matter, it is possible that other parts consist of stars and galaxies made up of antimatter. When matter and antimatter collide, an enormous amount of energy is released. The only antimatter atom made by scientists is the anti-hydrogen atom. Just as particle-antiparticle interactions result in a the release of high energy photons or gamma rays, so too would the interaction of matter and antimatter, except with greater energies.Īlthough you would expect there would be equal amounts of matter and antimatter in the Universe, each in different locations, it seems that most-if not all-of the natural atoms in space are matter.Īpparently, the behavior of antimatter is exactly the same as matter, since everything is the same except for the electrical charges of the particles. Those antiparticles are the building blocks of antimatter.Īlthough various antiparticles have been detected and even created, the only antimatter atoms created thus far are antihydrogen and antihelium. The antiproton, antineutron and positron are the antiparticles of the proton, neutron and electron, respectively. Antimatter is a form of matter that is made up of what are called antiparticles.
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