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Space
Space
Science
Robert Lea

Scientists trace high-energy ghost particle to the 'Shadow Blaster' galaxy

Lots of stars and galaxies speckled across a dark background. One of the galaxies is enlarged in a boxout.

Astronomers have traced a high-energy "ghost particle" back to Shadow Blaster, a star-forming galaxy located 11 billion light-years away. That means that this particle, a neutrino, had been travelling to us ever since the 13.8 billion year-old universe was just around 3 billion years old.

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