Why haven't we seen a Milky Way Supernova in 400 years?

Why haven't we seen a Milky Way Supernova in 400 years?

By iHeartPodcasts

Daniel and Katie talk about the mysteries of supernovae, and why we haven't seen a local one since Kepler! 

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Why haven't we seen a Milky Way Supernova in 400 years?
Why haven't we seen a Milky Way Supernova in 400 years?
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