SCIENCE INITIATIVE HARIPAD KERALA INDIA

Dark matter, hidden substance that makes up the universe

A massive particle detector mounted on the International Space Station may have detected elusive dark matter at last, scientists announced Wednesday. The detector, the Alpha Magnetic Spectrometer (AMS), measures cosmic-ray particles in space. After detecting billions of these particles over a year and a half, the experiment recorded a sig
nal that may be the result of dark matter, the hidden substance that makes up more than 80 percent of all matter in the universe. AMS found about 400,000 positrons, the antimatter partner particles of electrons. The energies of these positrons suggest they might have been created when particles of dark matter collided and destroyed each other. Continue....

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