Nov 21, 2022

An Antarctic Neutrino Telescope Has Detected a Signal From the Heart of a Nearby Active Galaxy

Posted by in category: particle physics


How to Spot a Neutrino

Neutrinos are very shy fundamental particles that don’t often interact with anything else. When they were first detected in the 1950s, physicists soon realized they would in some ways be ideal for astronomy.

Because neutrinos so rarely have anything to do with other particles, they can travel unimpeded across the universe. However, their shyness also makes them difficult to detect. To catch enough to be useful, you need a very big detector.

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