Mystery over invisible 'barrier' inside Milky Way's core found in radioactive map
dailystar.co.ukScientists have identified a mysterious barrier in space that prevents high-energy cosmic rays from reaching the supermassive black hole at the centre of our galaxy.After creating a map of radiation at the core of the Milky Way, the team of researchers from the Chinese Academy of Sciences in Nanjing found that an unexplained force appears to be accelerating any cosmic particles that approach the galaxy’s centre to incredible speeds.The team reported their findings in the November 9 issue of scientific journal Nature Communications.They described the unknown force as an invisible "barrier" that surrounds the entire core fo the galaxy, keeping the density of cosmic rays there far lower than the expected level.At this stage they say, it’s not.
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