Why haven't we seen a Milky Way Supernova in 400 years?
Daniel and Kelly’s Extraordinary Universe
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New Ways to See Supernovas
Most of the energy produced in a supernova comes from neutrinos. Neutrinos are these weird little particles that mostly pass through matter ignoring us. So now we have like new kinds of supernova eyeballs so that even when you're napping, Katie, we are watching the sky for supernovas.
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