#452: Early Universe Mysteries, Galactic Demise & Dark Matter Interactions

Space News Today

Source:

https://www.spreaker.com/episode/452-early-universe-mysteries-galactic-demise-dark-matter-interactions--61704599

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Join Andrew Dunkley and Professor Fred Watson in this engaging Q&A episode of Space Nuts, where they tackle intriguing questions from our listeners about the universe, galaxies, the origin of life, and dark matter.

Episode Highlights:

- The Older Universe: Bob from Florida asks about the appearance of galaxies in the older parts of the universe and their spatial relationships over time.

- Galaxies and Black Holes: Shaun from British Columbia inquires if all galaxies will eventually be consumed by their central supermassive black holes.

- Origin of Life on Earth: James from Maine discusses the potential for life on Earth to have begun as far back as 4.1 billion years ago and the implications for finding microbial life elsewhere in our solar system.

- Dark Matter Interactions: Michael from Illinois questions whether dark matter interacts with itself gravitationally.

Chapters:

- 00:00:00 - Space nuts asks you to send us questions and we try to answer them

- 00:02:03 - Bob says galaxies that far away should be closer together with expanding universe

- 00:05:57 - Are all galaxies eventually going to get sucked into their central supermassive black holes

- 00:08:32 - There is tantalising evidence that life may have begun on earth 4.1 billion years ago

- 00:15:25 - Michael: Does dark matter gravitationally interact with itself

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