fr
it
de
en
  • Headlines
  • Explore
  • Experts
  • Search
  • Science & Environment
  • Health & Medicine
  • World & Society
  • About Us
  • Partners
  • Login
  • Headlines
  • Explore
  • Experts
  • Search
Login
fr
it
de
en
Sections
Science & Environment
Earth & Space
Partager

What is a black hole?

  • Émission
    ODK
  • 01 April 2015
  • Marc Atallah
    • Lettres, UNIL
  • Anahi Granada
    • Sciences, UNIGE
Légende

Who hasn't been fascinated by black holes, those sort of points in the universe that are so dense that nothing can escape from them, not even light? But really, what's a black hole?

  • #ESPACE 369 Interventions
  • #ASTRONOMY 342 Interventions

Related interventions
Sections
Science & Environment
Earth & Space
The closest black hole to Earth
    • Stéphane Paltani
      UNIGE
13 May 2020
Sections
Science & Environment
Earth & Space
About sounds in space
    • Dominique Eckert
      UNIGE
06 September 2022
Sections
Science & Environment
Earth & Space
Stars, the black hole's big meal
    • Stéphane Paltani
      UNIGE
07 January 2016
Sections
Science & Environment
Earth & Space
The ordered chaos of black holes
    • Nicolas Produit
      UNIGE
15 January 2019
Sections
Science & Environment
Earth & Space
Gravitational waves detected when neutron stars merge
    • Stéphane Paltani
      UNIGE
    • Carlo Ferrigno
      UNIGE
16 October 2017
Sections
Science & Environment
Earth & Space
The Gaia space telescope detects a giant black hole in our galaxy
    • Laurent Eyer
      UNIGE
17 April 2024
Sections
Science & Environment
Earth & Space
The first image of a black hole..
    • Stéphane Paltani
      UNIGE
10 April 2019
Sections
World & Society
New Technologies
Contactless payments are an ever-increasing part of our daily lives
    • Abraham Rubinstein Scharf
      HES-SO
12 November 2019

Born from the collaboration between the universities and higher education institutions of French-speaking and Italian-speaking Switzerland, the Swiss Radio and Television (RTS) and the Swiss Radio and Television (RSI), this site gathers several thousand interventions from academics who analyze current events in all fields in a simple and scientific manner.

Find out more

Themes

  • Science & Environment
  • Health & Medicine
  • World & Society

Avis d’expert‧e‧s

  • About Us
  • Partners
Current trends
  • #tennis 8 Interventions
  • #ukraine 107 Interventions
  • #israel 118 Interventions
  • #tourism 178 Interventions
Media partners
Partner institutions
All rights of reproduction and distribution reserved © 2025 Avis d’expert‧e‧s
  • Terms of Use
  • Privacy statements
  • Contact
  • Site développé par ergopix