From livescience.com
Something is keeping the universe’s fastest-moving particles from entering the center of our galaxy.
The center of the Milky Way may be even more bizarre than astronomers thought, according to a new study.
For the study, a team of researchers from the Chinese Academy of Sciences in Nanjing investigated a map of radioactive gamma-rays — the highest-energy form of light in the universe, which can arise when extremely high-speed particles called cosmic rays crash into ordinary matter — blasting in and around the center of our galaxy.
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