EPISODE · Nov 12, 2025 · 8 MIN
When Black Holes Collide | Janna Levin
from NOVA Presents · host GBH
Space itself rings with gravitational waves when black holes collide—the most powerful events detected since the Big Bang. Astrophysicist Janna Levin reveals why, when the cosmic symphony fades, the merged black hole is stripped to flawless simplicity.For more, check out the extended interview with Janna Levin.Learn more about NOVA and subscribe to our YouTube channel.
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