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  • Nature Video

How to build a supernova early warning system

Supernovae are one of the most dramatic events in the cosmos. As a star dies, under the right conditions, it can trigger the biggest explosions ever observed in the Universe and along with it a treasure trove of data.

But it is hard to predict where the next boom might come from. The last supernova to be detected in our galactic neighbourhood was seen in 1987, and since then scientists have been determined to be ready for the next one.

In this film we meet the researchers that have set up a supernova early warning system - an international network of neutrino detectors that hopes to bring together the world’s astronomers in search of the next supernova.

News feature: A supernova could light up the Milky Way at any time. Astronomers will be watching

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