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Jun 2025
23m 21s

Cosmic Questions, Red Dwarfs & the Searc...

Professor Fred Watson and Andrew Dunkley
About this episode
Sponsor Details:
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Cosmic Curiosities: Probing the Depths of Our Universe
In this enlightening Q&A episode of Space Nuts, host Heidi Campo and the ever-insightful Professor Fred Watson tackle some of the most thought-provoking questions from our listeners. From the nature of light speed in alternate universes to the intriguing concept of protoplanetary disks and the potential for life beyond Earth, this episode is packed with cosmic insights and fascinating discussions.
Episode Highlights:
Light Speed Across Universes: Heidi and Fred delve into a listener's question about whether an observer from a different universe would measure the speed of light differently. The implications of varying fundamental constants across universes are explored, igniting a discussion about the fine-tuning of our own universe for life.
Protoplanetary Disks and Water: The duo examines the structure of protoplanetary disks and whether Earth could have formed in a belt where liquid water existed. Fred explains the Goldilocks zone and how temperature variations influence planet formation and the presence of water.
Population III Stars: A question from Ron about the existence of Population III red dwarf stars leads to a fascinating exploration of the earliest stars formed after the Big Bang. Fred explains the characteristics of these stars and why red dwarfs likely did not emerge until later generations.
Life Beyond Earth: The episode wraps up with a discussion about the most promising locations in our solar system to search for life beyond Earth. From Mars to the icy moons of Europa and Enceladus, Fred and Heidi weigh the possibilities of finding microbial life in these intriguing environments.
For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite platform.
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Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.
(00:00) Welcome to Space Nuts with Heidi Campo and Fred Watson
(01:20) Discussion on light speed in alternate universes
(15:00) Exploring protoplanetary disks and water formation
(25:30) Population III stars and their characteristics
(35:00) The search for life beyond Earth in our solar system

Link to the L'Space Program: https://www.lspace.asu.edu/ 

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