Science Weekly
Space

Black holes, but backwards: unlocking the mysteries of white holes – podcast

Science Weekly Series
More ways to listen

Presented by , produced by , sound design by , the executive producer is

Ian Sample meets the Italian physicist Carlo Rovelli to find out about his cutting-edge research into white holes. A white hole is essentially a time-reversed black hole: a region of spacetime where matter spontaneously appears and explodes outwards. At the moment they are hypothetical objects, so Rovelli explains why he thinks they are worth exploring and reveals how they could explain one of the greatest mysteries of physics

How to listen to podcasts: everything you need to know

  • Discover more about the Guardian Live event, Carlo Rovelli meets Dara Ó Briain, here
Black hole discovered<br>Undated handout artist impression of a black hole drifting through the Milky Way galaxy. An ultramassive black hole around 33 billion times the mass of the Sun has been discovered by astronomers in the UK. Scientists from Durham University said the gargantuan black hole is one of the biggest ever found. Issue date: Friday June 10, 2022. PA Photo. See PA story SCIENCE BlackHole. Photo credit should read: ESA/Hubble, Digitized Sky Survey, Nick Risinger/N. Bartmann/Durham University/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Photograph: ESA/Hubble/PA
)
Support The Guardian

The Guardian is editorially independent. And we want to keep our journalism open and accessible to all. But we increasingly need our readers to fund our work.

Support The Guardian
Topics