Neutrinos are the Sun’s secret messengers

Wednesday, Aug 13, 2025, 04:52 AM | Source: Pursuit

Nicole Bell, Matthew Dolan, Stephan Meighen-Berger, Jayden Newstead, John F. Beacom

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Neutrinos – ghostly particles that rarely interact with normal matter – are the Sun’s secret messengers. These particles are born deep within the Sun, a byproduct of the nuclear fusion process which powers all stars.

Neutrinos escape the Sun and stream through the Earth in immense quantities. These particles are imprinted with information about the inner workings of the Sun.

Two people in overalls and hardhats in a concrete-lined cavern
Authors Dr Meighen-Berger and Professor Bell recently visited the newly excavated DUNE cavern, 1470 metres below the surface in the Sanford Underground Research Facility. Picture: Supplied

Our new theoretical paper shows that the Deep Underground Neutrino Experiment (DUNE), currently under construction, will help us unlock the deepest secrets of these solar messengers.

A ‘desperate remedy’

Neutrinos are the most mysterious of the known fundamental particles. They were first proposed...


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