Interview: A Brief History of Black Holes

What is a black hole? Are they really black? Are they really holes? How much do we actually know about them? Astrophysicist and YouTuber Dr Becky Smethurst reveals how black holes went from theoretical mysteries to objects we can photograph. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices