Using NASA's Fermi gamma-ray space telescope, scientists led by Tomonori Totani may have achieved the first direct detection of dark matter.
They observed a gamma-ray emission of 20 gigaelectronvolts forming a halo-like structure near the Milky Way's center. The signal's pattern and energy precisely match predictions for the annihilation (self-destruction upon collision) of Weakly Interacting Massive Particles (WIMPs), a leading theorized dark matter particle.
Dark matter, which makes up about 85% of the universe's matter but is invisible as it doesn't emit or absorb light, has only been inferred through its gravitational effects since first proposed in the 1930s.
If confirmed, this discovery would mark a breakthrough, suggesting dark matter is a new particle outside the Standard Model of particle physics. However, the scientific community requires more accumulated data to definitively confirm the finding and solve the century-old mystery. The research was published in the Journ...
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