Snowball Earth, Dinosaur Asteroids & the Hubble Tension Unravelled

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Space Nuts: Astronomy Insights & Cosmic Discoveries

Professor Fred Watson and Andrew Dunkley

597 episodes

2 days ago

Join Professor Fred Watson and Sci-Fi Author Andrew Dunkley on Space Nuts as they delve into astronomy, space travel, and cosmic mysteries. Explore groundbreaking discoveries and listener Q&A in captivating discussions. Follow us on social media to engage with our community!

Two episodes a week with news and explainer focused editions published on Thursday's and our Listener Q&A focused edition on Monday's.

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Astronomy

Science,

Natural Sciences

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Snowball Earth, Dinosaur Asteroids & the Hubble Tension Unravelled

Space Nuts: Astronomy Insights & Cosmic Discoveries

35 minutes

3 weeks ago

Snowball Earth, Dinosaur Asteroids & the Hubble Tension Unravelled

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Frozen Frontiers: Snowball Earth, Dinosaur Origins, and Hubble Tension
In this captivating holiday episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson embark on a journey through time and space, discussing the intriguing concept of Snowball Earth, the origins of the dinosaur-killing asteroid, and the ongoing debate surrounding the Hubble tension in cosmology.
Episode Highlights:
- Snowball Earth: Andrew and Fred explore the fascinating theory of Snowball Earth, a period when our planet was completely frozen over, and how recent geological findings in Scotland and Australia shed light on this icy epoch.
- Dinosaur-Killing Asteroid Origins: The hosts delve into the latest research pinpointing the Chicxulub impactor's origins within the asteroid belt, revealing the chemical markers that help trace its journey through the solar system.
- The Hubble Tension: A discussion on the so-called crisis in cosmology, as the hosts dissect the differing measurements of the universe's expansion rate and how new data from the James Webb Space Telescope may provide clarity.
- Listener Questions: The episode wraps up with engaging listener questions, including a fascinating inquiry about the impact of a frozen Earth on its diameter, prompting a thoughtful discussion on planetary changes over time.
For more Space Nuts, including our continuously 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.

Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.