<ul><li>The deadliest part of a supernova explosion is the X-rays and cosmic rays.</li><li>Regarding the shock wave from the explosion itself, being close enough to a supernova to be worried about it would mean being close enough to the pre-supernova star to get a lethal dose of radiation.</li><li>Visible light produced by a supernova is not a factor, as it never accounts for more than 1% of the energy output.</li><li>Neutrinos, the ghostly particles that hardly ever interact with matter, are not a problem at interstellar distances.</li></ul>

What’s the deadliest part of a supernova explosion

Discover more