Second Generation Black Hole Mergers and Solar System Chaos

Walkabout the Galaxy by Joshua Colwell

Jun 4, 202646:34Science & Medicine

Exquisitely detailed measurements of the ripples in spacetime from the mergers of black holes now show that some of these merging black holes were, themselves, created by an earlier black hole merging event. While this h...

Related Episodes

Continue listening to more episodes from Walkabout the Galaxy.

Have We Detected Dark Matter?

Sep 15, 2026 - 40:03

An intriguing detection from a dark matter experiment may be the first direct detection of a dark matter...

Mapping a Galaxy's Dark Matter and a Game-Changing Space Telescope

Aug 30, 2026 - 39:07

The Nancy Grace Roman Space Telescope sees 100 times more sky than the Hubble Space Telescope and has the...

Black Hole Stars and Solar Instabilities

Aug 23, 2026 - 35:56

What do you call a very-but-not-so-supermassive black hole completely encased in a warm dense cloud of hy...

Dyson Spheres and Interstellar Colonization

Aug 16, 2026 - 39:04

Strange and Top are at it again with a deep dive on the physics, psychology, and philosophy of the big qu...

Black Holes Come Back for Seconds and a Rocky Exoplanet with an Atmosphere

Aug 11, 2026 - 36:36

Supermassive have such voracious appetites that they create an energetic mess when eating which has a ten...

Distant Quasars and Earth's Quasi-Moon

Jul 9, 2026 - 43:20

Quasars, the energetic engines driven by the voracious appetite of supermassive black holes, have been ob...

I See a Big Moon Rising and a Bright Radio Sky

Jul 1, 2026 - 42:22

The astroquarks examine the oft-asked question of why the Moon sometimes looks huge and other times, not...

Europa's Disappearing Plumes

Jun 25, 2026 - 48:39

OG Top Quark Tracy Becker joins us with an update on water plumes from Jupiter's moon Europa, plus intrig...