Milky Way: Icy observatory reveals ghost particles

Neutrinos or ghost particles as their known and made when cosmic rays that are rattling around space at near light speed smash into the matter. Astronomers say understanding where they come from is key to understanding the dynamics that shape the Milky Way. But these short lived particles are very difficult to detect. So scientists and engineers created an observatory that turned a cubic kilometer of Antarctic ice into a neutrino finder.

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The ice cube detector is called is made of thousands of senses on longer cables buried under the South Pole, whatever a neutrino interacts with one of the billions of ice molecules, it captures that interaction and works out where that neutrino came from the detectors produced the first evidence of these ghost particles in our home Galaxy which the researchers say it gives them an entirely new window on what's happening in the Milky Way.

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