The CRAM Podcast ~ Extraordinary Ideas Unleashed

Juggernauts of the universe: the compelling case of black holes

Mary Ito Season 1 Episode 92

There’s nothing like it in our universe. Black holes.
They’re enormous (understatement), mysterious (understatement) and they’re
positioned at the centre of many galaxies – including our own.
Sagittarius A, the supermassive black hole at the centre of our galaxy, the Milky Way, is over 4 million times the mass of the sun. And there are even bigger black holes. Stuff goes into a black hole. NOTHING comes out. Why? What happens to the matter that’s in there? How fast do black holes grow? When did they start?
So many questions that astronomer Daryl Haggard is trying to figure out that will help us better understand the universe and how it’s evolving.


INFO ON GUEST:
Daryl Haggard is an Assoc. Professor of Physics at the Trottier Space Institute at McGill
University. https://www.dhaggard.physics.mcgill.ca/
She’s also the co-leader of the AXIS mission, a space probe that aims to increase our
understanding of black holes and the evolution of our galaxies. AXIS is one of two
finalists in the NASA $1 billion space probe competition.
For more on AXIS: https://www.mcgill.ca/science/channels/news/mcgill-linked-axis-
mission-one-two-finalists-nasa-selection-process-361498

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