We May Have Measured the Biggest Black Hole Wrong
TON 618 is the biggest black hole we have ever found. Or is it? New measurements disagree by twenty-six billion suns, and a challenger called Phoenix A might dwarf it. This is how you weigh a black hole from ten billion light years away, and why we still can't agree which one is the biggest in the sky. In 1957 they thought it was a dot. At its scale, the dot is us. CHAPTERS 0:00 TON 618: The Biggest Black Hole We've Found 0:58 The Star That Wasn't 2:09 How Do You Weigh a Black Hole? 3:33 Why the Number Might Be Wrong 4:38 TON 618 vs Phoenix A 6:48 How Big Can a Black Hole Even Get? 8:31 What It Would Be Like to Fall In FURTHER READING Black Holes and Time Warps — Kip Thorne The End of Everything — Katie Mack IMAGERY & FOOTAGE CREDITS Real imagery: S2 orbit time-lapse ESO/MPE (CC BY 4.0) · M87* & Sgr A* images EHT Collaboration (CC BY 4.0) · Phoenix Cluster: X-ray NASA/CXC/MIT/M.McDonald, UV NASA/JPL-Caltech/M.McDonald, Optical AURA/NOAO/CTIO/MIT/M.McDonald · South Pole Telescope photo NSF/Keith Vanderlinde · Black hole visualization NASA's Goddard Space Flight Center/Jeremy Schnittman · ALMA time-lapse ESO (CC BY 4.0) · Quasar zoom ESO/N. Risinger (skysurvey.org)/DSS2/DES/M. Kornmesser (CC BY 4.0) · Quasar animation ESO/M. Kornmesser (CC BY 4.0) Music: 'Decoherence', 'Aphelion', 'Echoes', 'Shadows and Dust', 'Passage of Time' by Scott Buckley — CC-BY 4.0 — www.scottbuckley.com.au Stock footage: "Flying Through Star Fields And Galaxies In Deep Space" by magnific — magnific.com · "Cosmic Nebula Star Clusters" by wirestock — magnific.com · "Vastness Space" by wirestock — magnific.com This video uses AI-generated images and an AI narration voice alongside real observatory imagery. Every factual claim is source-checked; where the science is contested, the video says so. #ton618 #blackhole #space
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