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Gravitational Wave observatory LIGO has seen a signature that looks like the merger of primordial (pre-stellar, big bang (not big band!) era) black holes. If confirmed with future observations, this would tell us a lot a...
A Whisper of a Hint of Primordial Black Holes plus Earth BLOBs is an episode from Walkabout the Galaxy by Joshua Colwell. Gravitational Wave observatory LIGO has seen a signature that looks like the merger of primordial (pre-stellar, big ba...
This episode belongs to Walkabout the Galaxy.
Use the player on this page to stream the episode online.
Published Mar 18, 2026, 40:48 long, audio available.
Gravitational Wave observatory LIGO has seen a signature that looks like the merger of primordial (pre-stellar, big bang (not big band!) era) black holes. If confirmed with future observations, this would tell us a lot about the early universe and potentially shed light on dark matter. Finally! Plus, closer to home, the BLOBs in the Earth's mantle help us untangle the complicated past of our magnetic field.
You can listen to A Whisper of a Hint of Primordial Black Holes plus Earth BLOBs online on Radio and Podcast. Open the player on this page to stream the available audio.
A Whisper of a Hint of Primordial Black Holes plus Earth BLOBs is an episode from Walkabout the Galaxy by Joshua Colwell.
This episode is 40:48 long.
This episode was published on Mar 18, 2026.
Yes. Use the heart button on the episode page to add it to your favorite episodes list.
Yes. This page shows related episodes from Walkabout the Galaxy when more episodes are available from the podcast feed.
You can listen to A Whisper of a Hint of Primordial Black Holes plus Earth BLOBs on this page when the episode audio is available from the podcast feed.
A Whisper of a Hint of Primordial Black Holes plus Earth BLOBs is from Walkabout the Galaxy by Joshua Colwell.
Published Mar 18, 2026 and 40:48 long